Libraries tagged by Date Calculation

The easy PHP Library for calculating holidays

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DateTime calculations in business hours

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solar data calculation and sun position

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Calculation and data extraction on italian fiscal code (codice fiscale), with "omocodie" and diacritical character esapnsion (caratteri diacritici)

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PHP library for timezone calculation from a particular location and date.

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Cbox Tax — a self-hostable consumption-tax engine for Laravel: it owns the calculation logic (place-of-supply, reverse-charge, rate application, inclusive/exclusive) per jurisdiction and sources only rate data behind a pluggable contract.

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Utility classes for working day and bank holiday calculations

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Delivery calculator for Laravel to calculate a date time by providing the start date time and a duration in hours

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PHP library / extension that resolves the current season from an ISO 3166-1 alpha-2 country code. Use it as a plain Composer package, or integrate with Laravel 7–11, ThinkPHP 6 / 8, Hyperf 2 / 3, and webman. Besides English season keys (spring, etc.) and Chinese names, it provides flag emoji, localized season names by BCP 47 locale, hemisphere detection, and optional date-based calculation.

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CSS/Javascript Minificator, Compressor and Concatenator for TYPO3 - highly configurable frontend asset optimization for CSS/JS merging, minification and compression with optional body parsing, async/defer loading, inline output, data-ignore exclusions, SRI integrity validation/calculation, external asset caching, custom URL regex rewriting, and cache-aware processing for cached and uncached pages.

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Date library for identification of holidays or commemorative dates (national, state, municipal), automatic calculation of working days and office hours.

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This library provides classes and functions for the computation of geometric data on the surface of the Earth. Code ported from the Google Maps Javascript API v3

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Create dynamic HTML tables that can calculate column data, like Excel, and look good doing it, with or without CSS Boostrap.

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A simple library for financial year date calculations. Includes an Interface and a DateTime implementation.

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PHP Date Calculation and Formatting for Indonesian

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