A list of the 257 libraries in the category Timing.

AceTime Date, time, timezone classes for Arduino supporting the full IANA TZ Database to convert epoch seconds to date and time components in different time zones.
AceTimeClock Clock classes for Arduino that provide an auto-incrementing count of seconds since a known epoch which can be synchronized from external sources such as an NTP server, a DS3231 RTC chip, or an STM32 RTC chip.
Adafruit Si5351 Library Driver for Adafruit's Si5351 Clockgen Breakout
AnalogRTCLib Library for Analog Devices Real Time Clocks.
Animation Tools Simplifies creating behaviours for Servos and LEDs
AntiDelay AntiDelay is a library that aims to provide non-blocking delay functionality.
ANTIRTOS No any RTOS needed, you will see...
ArduinoSensors A Library of Libraries of Sensors
ArduinoThread A simple way to run Threads on Arduino
ArduinoThreadRunOnce Run an ArduinoThread just one time
arduino-timer Timer library for delaying function calls
arduino-timer-api Simple cross-platform API for multitasking on timer interrupt handlers
Artron DS1338 Arduino library of RTC DS1338.
AsyncDelay Simple abstraction library implementing delays and timeouts.
AsyncTimer JavaScript-like async timing functions (setTimeout, setInterval).
Async_Operations A library for accurately keeping track of long tasks without blocking the main thread
Asynchrony A way to schedule functions to be executed in the future, similar to asynchrony in other languages.
AudioFrequencyMeter Get the fundamental pitch of an audio signal
avdweb_SAMDtimer Timer library for the SAMD21 and Arduino Zero
avdweb_VirtualDelay Allows using (multiple) delays without blocking code execution. Arduino Uno and Zero.
avrCalibrate This library determines OSCCAL calibration values for MCU clock frequency and internal reference voltage and loads them at setup.
AVR Standard C Time Library Real Time functions for Goldilocks ATmega1284p & ATmega2560
avrtos RTOS for AVR Arduino microcontrollers (Uno & Mega)
Azure RTOS ThreadX Azure RTOS ThreadX Library for Arduino
BasicTimer Basic Timer Interface
Benchmark Measure code execution time
BlockNot BlockNot gives you non-blocking timers with simplicity.
bluemicro_engine Engine to implement a loop in order to decouple the progression of time from user input and processor speed.
buildTime Library will help you to get compile time
CallMyFunction Arduino library to call function with time restrictions
CallbackHelper Tool to generate std::function like callback APIs without the huge memory footprint of std::function
Chrono Chronometer/stopwatch library that counts the time passed since started.
CleanRTOS Makes use of FreeRTOS on ESP32 much easier and safer.
CMMC Easy CMMC Easy is a library for managing time without delay function
CompileTime Automatically set the hours, minutes seconds, year, month, and day in your project when uploading!
CoopTask Portable C++ library for cooperative multitasking like Arduino Scheduler on ESP8266/ESP32, AVR, Linux, Windows
CoopThreads Lightweight, platform agnostic, stackful cooperative threads library
Countimer A simple library for creating timers and counters.
CronAlarms Schedule alarms to occur at specific times with crontab syntax.
cronos A std::chrono wrapper for target system's native tick count.
CSE_MillisTimer Arduino library for simplifying the use of millis() based timers.
DTime Date plus Time workaround service
DCF77 Read and decode the atomic time broadcasted by the DCF77 radiostation.
DCF77Decode Focusing on clean code, this library implements almost the entire public DCF77 standard in C.
dcf77_xtal DCF77 decoder with excellent noise tolerance.
Debouncer Debounce library for Arduino
DelayExec A library to defer executions
DFRobot_DS1307 Define infrastructure of DFRobot_DS1307 class(SKU: DFR0151).
DFRobot_DS323X DS323X driver library.
DMOscillator A library that makes easy on/off control on a pin at fixed or dynamic rate.
DMTimer A library that simplifies non blocking recurrent calls.
Dorpac-timer A library for implementing very simple timers
DS1307 Emulator An emulator of the DS1307, which transform the Arduino in an RTC chip without actually having a physical RTC.
DS1307RTC Use a DS1307 Real Time Clock chip with the Time library
DS1307newAlarms Adding weekday alarms to the DS1307 RTC functionality
DS3231 Arduino library for the DS3231 real-time clock (RTC)
DS3231-RTC C++ Library for the DS3231 real-time clock (RTC) module, ready to use on Arduino IDE and PlatformIO.
DS3231_RTC Arduino library for the DS3231 real-time clock (RTC)
DS3232RTC Arduino Library for Maxim Integrated DS3232 and DS3231 Real-Time Clocks.
DST RTC Arduino library for automatically adjusting RTC time for Daylight Saving Time (DST)
DueTimer Timer Library fully implemented for Arduino DUE
EasyNTPClient Library to read time from Network Time Protocol (NTP) servers.
EasyTask A lightweight but powerful implementation of tasking manager.
EdgieD Simple, generalised edge detection for variables as well as input signals
elapsedMillis Makes coding responsive sketches easier.
ESPPerfectTime SNTP library that provides more accurate time for ESP8266/ESP32.
EspSleep Library for esp8266 unlimited deep sleep period
ESP32Time Set and retrieve internal RTC time on ESP32 boards.
Every Non-blocking replacements for delay().
EveryTimer A library providing the possibility to call a function at specific time intervals.
everytime A easy to use library for periodic code execution.
Executive Execute routines to specified schedule
ezTime ezTime - pronounced "Easy Time" - is a very easy to use Arduino time and date library that provides NTP network time lookups, extensive timezone support, formatted time and date strings, user events, millisecond precision and more.
FaBo 215 RTC PCF2129 A library for FaBo RTC I2C Brick
FC0005748911 Firechip - Micro Crystal RV-8263 Arduino Library a Real-Time Clock Module with I2C-Bus
FifteenStep A general purpose Arduino MIDI sequencer library.
FireTimer Simple and non-blocking library to time the execution of processes
flex_DST A library for observing DST according to user predefined parameters.
FreeRTOS FreeRTOS Real Time Operating System implemented for Arduino Uno R3, Nano, Leonardo, Mega, and related Microchip ATmega devices.
FreqPeriodCounter Smart library with comprehensive functions for counting (multiple) frequencies. For Arduino Uno and Zero.
FrequencyTimer2 Generate a frequency using Timer2
frt Lightweight, easy-to-use wrapper around the Arduino_FreeRTOS_Library.
Geekble_LieDetector Library for Geekble LieDetector
Geekble_Oscillator Generate pulse from 31.25KHz to 8MHz
Grove - RTC DS1307 Arduino library to control Grove - RTC DS1307.
GyverBeeper Async tone generator with amount and time settings
GyverBlinker Async LED blinker and task count timer
GyverNTP Library for async receiving precise time from NTP server
GyverOS Simple task manager for Arduino
GyverTimer Simple timer with period/timeout modes on millis
GyverTimers Library for control hardware timers on ATmega328p and ATmega2560
HaCTimers An event driven arduino Timer.
HeliOS An open source, community delivered, embedded operating system project.
iarduino_RTC Библиотека для работы с часами реального времени.
IntervalTimerEx IntervalTimerEx subclasses the Teensy IntervalTimer to allow for a variety of callable objects as timer callbacks.
JC_Sunrise Arduino library to calculate sunrise and sunset times.
jm_Scheduler A Cooperative Scheduler Library for Arduino.
leOS Simple scheduler that run little tasks within IRSs
leOS2 Simple scheduler based on watchdog that runs little tasks within IRS
LedTask The Arduino library shows the power of non-preemptive multitasking.
looper Proto-scheduler based on the use of millis()
M5_RTC_Module A library for using the RTC-Module from iotec for the M5-Stack.
Max31328RTC Library for Max31328 Real Time Clock.
MCP79412RTC Arduino library for the Microchip MCP79411/12 Real-Time Clock/Calendar.
MicroBeaut MicroBeaut Standard Library for Arduino.
MicroNMEA Compact Arduino library to parse NMEA sentences.
MilliStopper Easy to use and lightweight stopper
MillisCounter Arduino library to count up and down time using the millis() function.
MillisTimer A timer library for working with millis().
MillisTimerLib Library to use the Millis function as a task scheduler.
MKL_RTClib A fork of Jeelab, fantastic RTC library.
msTask Use hardware Timer1 to run tasks in time preset
MsTimer2 Run an interrupt function using Timer2
muTimer Arduino library to easily use on/off delays and cycle timers with non-blocking functions.
MyAlarm A library that manage alarms and timers based tasks.
MyDelay Arduino library that provides a non-blocking repeating timer with callback functionality.
NTimer Timing for events, asynchronus delays
NE555 Simulation of the function from a NE555 timer chip. ;)
Neotimer "A powerful non-blocking timer"
NGLedFlasher Library Arduino library for Flashing more then one LED
NoDelay Arduino library to make use of the Millis funtion for non Blocking Delays.
NodeRedTime Fetch Unix Epoch timestamp from Node-Red flow.
NTPtime NTPtime, UNIXtime and TimeFunc give you full control and more manipulation with time.
NTP NTP library
NTPClient An NTPClient to connect to a time server
NtpClientLib Ntp Client Library
Nusabot Simple Timer Simple library to launch timed actions.
OneShot Generates an event that occurs only once at a specified interval.
PagonGameDev GameLoop "Library for Creating Game with GameLoop"
PCF8523 Arduino Library for PCF8523 Real-Time Clock
PCF8563_RTC A library that interfaces with the PCF8563 RTC.
PersistentQueue Implementation of a queue that persists messages to flash.
PollingTimer Arduino library to manage timing and event in a flexible way with polling
precise_sntp This library is an implementation of the Simple Network Time Protocol (SNTPv4) for the arduino platform providing sub-second precision.
ProcessScheduler An OOP multitasking library
Profiler Easily profile your Arduino functions to see how much time they take. The output can be disabled and enabled at runtime. Very lightweight.
ptScheduler Arduino timing library for writing non-blocking periodic tasks without using delay or millis routines.
PWMFreak Configures the PWM frequency on a pin
QuarkTS An open-source OS for embedded applications that supports prioritized cooperative scheduling, time control, inter-task communications primitives, hierarchical state machines and CoRoutines.
r4SwRTC A simple software RTC library for Arduino UNO R4.
RBD_Timer Manage many timed events.
ReefwingTimer A non blocking Scheduler based on millis().
Rocket Scream RTCAVRZero Minimalistic RTC (Real Time Counter) implementation for MegaAVR 0-series MCU.
roo_scheduler Allows scheduling delayed and/or repetitive tasks.
roo_time Basic management of elapsed time, wall time, and date time, with multi-timezone support.
RP2040_RTC This library enables you to use RTC from RP2040-based boards such as Nano_RP2040_Connect, RASPBERRY_PI_PICO
RTClib A fork of Jeelab's fantastic RTC library
RTCtime A "Standard C Runtime" compatible library for interfacing the DS1307 and DS3231 Real Time Clock modules.
RTCx Library to access DS1307, DS1337/8, MCP7941x and PCF85263 real-time clocks.
RT-Thread Real Time Operating System porting for Arduino SAM and SAMD boards
RTC Library for I2C based RTCs (DS1307, DS3231, PCF8563, PCF8523, MCP7940).
RTCCounter Provides use of the RTC peripheral in 32bit counter mode. For Arduino SAMD21 boards only.
RTCDue Use for the RTC inside the SAM3X8E from the Arduino DUE
RTC RV-3028-C7 Arduino Library A library to drive the RV-3028-C7 extremely precise, extremely low power, real-time clock
RTCTimer An Arduino library to easily perform scheduled tasks.
RTCZero Allows to use the RTC functionalities. For Arduino Zero, MKRZero and MKR1000 only.
RTC3231 A modified RTClib library to handle DS3231 RTC only.
Rtc_Pcf8563 A library that interfaces the Phillips PCF8563 Real Time Clock chip.
RTC_RX8025T Arduino library for the RX8025T real time clock (RTC)
RTCDS1307 Library for rtc 1307
RTL8720_RTC This library enables you to use RTC from RTL8720-based boards such as RTL8720DN, RTL8722DM, RTL8722CSM.
RV-1805-C3 Library for Micro Crystal RV-1805-C3 extreme low power RTC module.
RV-3028-C7 Library for Micro Crystal RV-3028-C7 extreme low power RTC module.
RV3028 Basic library for the RV-3028-C7 RTC
RV8803Tiny A library to drive the RV8803 extremely precise, extremely low power, real-time clock from new ATTINY series that run on MegaTinyCore.
RX8025 Control RX8025 chip or the solar calendar to the lunar calendar.
SandTimer Easy to use and lightweight timer
SceneManager cooperative multi-scene manager for Arduino
ScheduleTable This library allows to schedule multiple actions along time.
SchedulerESP8266 A library to create timed schedules.
secTimer Simple seconds counter
Seeed Arduino RTC RTC library for SAMD21 and SAMD51.
SeqTimer Small piece of sequential Timer class (does not modify hw timers)
simpleDSTadjust Automatic Daylight Saving Time adjust functionality for Arduino/ESP8266
simpleEvents Implement simple event loops for micro-controllers using Arduino’s millis().
SimpleTicker A library for creating Tickers, which will notify user that a given period has elapsed. Replaces delay() and allows users to write non-blocking code.
SimpleTime SimpleTime functionality for Arduino
SimpleTimeout Minimal, production-ready timeout library for Arduino.
SimpleTimer Simple arduino timer.
SimpleTiming A library which helps you to write non-delaying timers
Simpletimer this is simple class you can use to manage time and tasks
SimplifiedTimer Simple arduino timer.
SimplyAtomic A library for creating portable atomic blocks within your program
slight_easing very simple easing functions.
slight_Fade Timed value fading.
SmallRTC Replacement RTC library for Watchy.
Smart_Duty_Cycling Automatic duty cycle generation for your Arduino program.
SoftTimer SoftTimer is a lightweight pseudo multitasking solution for Arduino.
SoftTimers The SoftTimers arduino library is a collection of software timers. The library aims at greatly simplifying multitask complexity.
SoftwareTimer Software timer library
Soldered PCF85063A RTC Library PCF85063A Board Library
SparkFun Clock 5P49V60 Arduino Library Library that enables all functionality for the SparkFun Clock Generator 5P49V60.
SparkFun Qwiic RTC RV1805 Arduino Library A library to drive the RV-1805 extremely precise, extremely low power, real-time clock
spin-timer Universal Timer with 1 millisecond resolution, supporting OOP principles.
SSVLongTime Singleton class to return uptime in seconds.
SSVTimer One more non-blocking timer class based on millis() function.
SSVNTPCoreClass Singleton class to get real time over NTP. Based on esp8266 core function configTime(). Supports auto DST per time zone.
Stamp Library for time keeping and manipulation
STM32F1_RTC Allows to use the RTC functionalities of STM32F1xx based boards using external low speed oscillator.
STM32duino FreeRTOS Real Time Operating System implemented for STM32
STM32duino RTC Allows to use the RTC functionalities of STM32 based boards.
StopWatch_RT Arduino Library implementing a stopwatch.
Strober Easy to use and lightweight led light pattern player
SuperTimers A Simple Timer Implementation that allows you to set a time and then check if the time has passed. You can set time in millis or minutes.
Switch2_lib A clone of Switch_lib (O.Goma) library for switching digital pins with timers, adding milliseconds
Switch_lib A library for switching digital pins with timers, temporization and periods
TCone MicroBeaut-TCone Library with Timer and Counter One.
Task by Makuna A library that makes creating complex mulitple task projects easy.
TaskJockey A simple, light-weight cooperative task manager for Arduino, ESP32, STM32, and similar systems
TaskManager cooperative multi-task manager for Arduino
TaskScheduler Cooperative multitasking for Arduino, ESPx, STM32 and other microcontrollers.
Tasker Get rid of delay() calls, schedule tasks/functions instead.
Taskrunner Allows arduino to run scheduler which can run functions at specific frequency
TeensyTimerTool Generic Interface to Teensy Timers
ThreadedTimer A threaded timing library for mbed Arduinos
TickTwo A library for creating Tickers which can call repeating functions. Replaces delay() with non-blocking functions. Recommanded for ESP and Arduino boards with mbed behind.
Ticker A library for creating Tickers which can call repeating functions. Replaces delay() with non-blocking functions.
Time Timekeeping functionality for Arduino
TimeAlarms Perform tasks at specific times or after specific intervals.
TimeInterrupt Allows for timer interrupts on various platforms.
TimeOut An Arduino library that creates timer callbacks.
TimeProfiler Time profiler for Arduino
TimedState An Arduino Library providing utilities for controlling program state over time without delay().
Timer A library for creating start / stop Timers
TimerEvent TimerEvent is a non-blocking alternative to the delay() function.
TimerFa Software Timer
TimerFive Use hardware Timer5 for finer PWM control and/or running an periodic interrupt function
TimerFour Use hardware Timer4 for finer PWM control and/or running an periodic interrupt function
TimerFour32u4 Allow usage of the 10-bit hardware high speed Timer4 on ATMega16u4 and ATMega32u4.
TimerMs Advanced software timer (based on millis())
TimerOne Use hardware Timer1 for finer PWM control and/or running an periodic interrupt function
TimerThree Use hardware Timer3 for finer PWM control and/or running an periodic interrupt function
TimerUtils A library for making frequent tasks easy
Timers LightWeight Timers library
TimersOneForAll Make full use of all your hardware timers on your Arduino board. 充分利用你开发板上所有的硬件计时器
timersapi Library for timers, countdowns and counters.
Timezone Arduino library to facilitate time zone conversions and automatic daylight saving (summer) time adjustments.
TinyRTCLib A tiny version of RTCLib, for use with TinyWireM
tinyTimeR Easily implement timer interrupts.
Tweakly A bizarre library, with the familiarity of Wiring and the power of real-time processes, advanced pin functions, and bouncing free.
uClock BPM clock generator for Arduino platform.
uICAL Library for parsing iCalendar file format.
uTimerBrokerLib Broker for multiple timed functions for uTimerLib
uTimerLib Tiny and cross-device compatible timer library
uUnixDate Tiny and simplified library to convert to and from UNIX timestamps
UniversalTimer Easy to use, multifunctional and non-blocking timer.
UnixTime Unix time stamp to date time conversion and vice versa
Uptime Get the device uptime in years, months, days, hours, minutes, seconds, milliseconds, total days, and total seconds.
Uptime Library Uptime library for Arduino boards and compatible systems
VariableTimedAction A library for creating timed events/actions.
vn_lunar Arduino library for convert Gregorian calendar to Vietnamese lunar.
WatchDog WatchDog Timer Functions
WD Easy WD timer
WeeklyAlarm weekday timer ( thermostat like scheduler )
wiring-timer Universal Timer with 1 millisecond resolution, based on system uptime (i.e. Arduino: millis() function or STM32: HAL_GetTick() function), supporting OOP principles.
Yet Another Arduino Debounce Library An asynchronous Arduino Library for debouncing
ZeroTC45 Allows use of the ARM Cortex-M0 TC4 and TC5 counters for periodic interrupts.