😱 Falsehoods Programmers Believe in

unicode video-games identity time awesome internationalization date phone-number timezone currency typography names awesome-list unicode-characters geography falsehoods postal-addresses edge-cases phone-numbers myths

• Updated Nov 9, 2026

🐔 Toolkit to parse, validate, manipulate, compare and display dates, time & timezones in Swift.

swift date timezone nsdate-category date-formatting date-time swiftdate nsdate

• Updated Sep 19, 2023
• Swift

A simple, semantic and developer-friendly time package for golang

i18n time datetime date calendar timezone persian gorm carbon xorm hebrew jalaali lunar julian

• Updated Nov 10, 2026
• Go

A lightweight javascript timezone library

timezone time-formatting date-formatting timezones timezone-conversion daylight-savings

• Updated Nov 9, 2026
• JavaScript

Web component extensions to the standard <time> element.

localization web-components timezone custom-elements keep

• Updated Nov 8, 2026
• JavaScript

A date and time library based on the C++11/14/17 <chrono> header

time datetime date calendar timezone iana-database timezone-library

• Updated Nov 6, 2026
• C++

A datetime library for Rust that encourages you to jump into the pit of success.

rust duration time local datetime date calendar timezone zone iana strftime utc date-time iso8601 temporal civil rfc2822 strptime jiff tzdb

• Updated Nov 11, 2026
• Rust

KotlinX multiplatform date/time library

kotlin datetime date timezone

• Updated Nov 11, 2026
• Kotlin

⌚ Cron-like job scheduler for Elixir

elixir cron crontab scheduler quantum timezone crontab-format

• Updated Nov 9, 2026
• Elixir

Robust and type-safe date and time calculations for Swift

swift swift-library time datetime date calendar timezone dates calendars date-formatting date-time calendar-api

• Updated Sep 5, 2026
• Swift

Delorean: Time Travel Made Easy

python time datetime date timezone python3 datetimes timedelta pytz dateutils

• Updated Oct 28, 2026
• Python

🕑 Immutable date and time library for javascript

time immutable date timezone joda threeten

• Updated Nov 11, 2026
• JavaScript

Complementary library for date-fns v2 adding IANA time zone support

javascript time utilities date timezone iana date-fns zone-helpers zone-formatting

• Updated Dec 31, 2024
• JavaScript

A tool to extract data from Open Street Map (OSM) to build the boundaries of the world's timezones.

maps openstreetmap timezone

• Updated Nov 1, 2026
• JavaScript

A powerful Swift framework for evaluating natural language math expressions

swift calculator natural-language-processing math-expressions datetime natural-language timezone currency calculations mathematical-expressions expression-evaluator currency-converter currency-rates date-calculator date-parser math-engine soulver notepad-calculator

• Updated Aug 23, 2026
• Swift

Always up to date IANA time zones for time zone pickers: grouped list with major cities, current offsets, DST abbreviations, and the country of any time zone. Updated daily.

javascript typescript country timezone iana time-zone timezone-picker timezones dst timezone-list timezone-select tzdb tz-database

• Updated Nov 9, 2026
• TypeScript

🌐 A time zone helper

timezone tzdata zone-helper

• Updated Feb 14, 2025
• Go

Customizable React Native 📅 Date Picker component for Android, iOS, and Web. It includes single, range, and multiple modes, supports different locales, including the Jalali (Persian) calendar, handles different timezones, and is fully compatible with NativeWind.

android ios react-native calendar timepicker datetime-picker timezone datepicker picker persian-calendar jalali-calendar date-range-picker datetimepicker react-native-web jalali-date-picker persian-datepicker

• Updated May 20, 2026
• TypeScript

Valheim Docker powered by Odin. The Valheim dedicated gameserver manager which is designed with resiliency in mind by providing automatic updates, world backup support, and a user friendly cli interface.

docker kubernetes rust cli gaming timezone user-friendly odin friendly valheim valheim-docker

• Updated Nov 12, 2026
• Rust

A command line tool for datetime arithmetic, parsing, formatting and more.

rust cli time command-line datetime date timezone zone iana strftime time-zone rfc-5545 strptime jiff recurrence-rule

• Updated Aug 3, 2026
• Rust