Простая C++ библиотека для работы с временем и датой

Simple UTC datetimes for Python using RFC3339 subset of ISO8601.

A Dart library that finds the time zone name (according to the IANA time zone database) for any position on Earth given by latitude and longitude coordinates in degrees.

A way to get the actual time of your location using Longitude

A light and fast package to lookup timezones, get current datetime in any timezone, convert datetime timezones from utc to another timezone or vica-versa.

java class and functions for working with UTC

Simple UTC Daemon [simple-utcd]