Best Historical Date Converter Apps

Multiple calendar conversionsAge calculationConversion history

Easily convert dates between various calendar systems including Islamic, Gregorian, Hebrew, and more. Calculate age and access a history of your conversions. Share results as images.

(12)

Unit Converter - Convert all

Measurements & Calculations

Real-time currency conversionsExtensive unit categories (weight, temp, length, volume, etc.)Simple and intuitive interface

Easily convert between various units of measurement, including currencies, temperature, length, and weight. This intuitive tool provides real-time currency exchange rates and a comprehensive list of conversions for everyday use.

✈️ Travel

(13K)

Ethiopian Calendar & Converter

Holidays, Reminders, Prayers

Ethiopian Orthodox holidays and fasting daysDate and time converter (Ethiopian to local/vice versa)Birthday and event reminders

This app provides a comprehensive Ethiopian calendar, including Orthodox holidays, fasting days, and national events. It features a date converter, time zone adjustments, and reminders for birthdays and significant dates. Additional utilities like a calculator, notes, and world clock enhance its functionality.

(4.1K)

Unit and currency converter

Metric Conversion tool

Offline functionalityOver 30,000 unit conversions160+ currencies with live rates

This app provides a comprehensive unit and currency converter with a user-friendly interface. It offers offline functionality, supports over 30,000 unit conversions, and includes more than 160 currencies with live exchange rates. Users can save favorite conversions and get precise results.

🔍 Reference

(15K)

Date Converter: Calendars

Convert dates across calendars

Convert between Gregorian, Islamic, Coptic, Um Al Qura, Hebrew, and Solar Hijri calendarsAuthentic month names for each calendar systemIntuitive, modern Material Design 3 interface

Easily convert dates between various calendar systems like Gregorian, Islamic, Coptic, and Hebrew. Features authentic month names and a modern, customizable interface for researchers, historians, and religious observers.

(102)

Julian Date

by Jevon Charles

5 Digit Julian Date conversionFull Julian Date conversionCalendar Date to Julian Date

Convert between standard calendar dates and Julian dates. Supports 5-digit and full Julian date formats, including time. Also allows conversion from Julian dates back to calendar dates.

Unit Converter: Mila's Tools

(2.7K)

paid

Conversion Calculator PLUS

27 conversion categories300+ unitsCompound unit support

This app offers a comprehensive unit conversion tool with over 300 units across 27 categories. It supports compound units, date calculations, and conversions between various number systems, including historical units. The interface is designed for ease of use with smart keyboards and customizable display options.

(1.4K)

Date Converter (تبدیل تاریخ)

Gregorian, Shamsi, Qamari

Gregorian, Shamsi, Qamari date conversionDisplays occasionsLocal language support

Easily convert dates between Gregorian, Shamsi, and Qamari calendars. This app displays important occasions, supports local languages, and offers offline functionality. Share dates and receive notifications.

(2)

World Clock Pro: Convert Time

Timezone Converter & Scheduler

Universal clock accessEffortless time conversionSchedule calendar events

Easily track and convert time across multiple global time zones. Schedule events, share accurate times instantly, and access a vast database of cities and time zones. Ideal for international communication and planning.

Units & Currency Converter

(1.3K)

subscription

Convert Any Unit Lite

Intelligent unit search with autocompleteAutomatic category selectionIntegrated calculator

Quickly convert between thousands of units with an intelligent search and autocomplete feature. This app offers a streamlined interface, an integrated calculator, and the ability to save favorite conversions. It supports over 6,400 units across 51 categories, making it a comprehensive tool for all your conversion needs.

✈️ Travel

(48K)

ad-supported

Jewish Calendar & Converter

Hebrew Date-Converter Holidays

Hebrew to Gregorian date conversionGregorian to Hebrew date conversionHoliday reminders

This app converts between Gregorian and Hebrew calendar dates. It offers reminders for holidays and birthdays, along with useful utilities like a calculator and world clock. A to-do list and historical information are also included.

(195)

Zulu Time Converter & Widget

World Time Clock Master

Multiple time zone displayInteractive time conversionEvent scheduling

Effortlessly manage multiple time zones with this app. Convert times instantly, schedule events, and view global clocks at a glance with interactive widgets. Features atomic accuracy and a vast database of locations.

Military Time Converter +

(816)

subscription

24 Hour Clock App & Widget

Instant 12/24 hour conversionLocal time displayTime zone and UTC support

Easily convert between 12-hour (AM/PM) and 24-hour military time. This app offers instant conversions, local time display, time zone support, and convenient widgets. Learn and practice military time with a built-in chart.

(312)

EasyDate: Date Calculator

Add or Subtract Days or Months

Calculate target datesGet current date and timeCustom keyboard for date entry

Calculate future or past dates from a specific start point, or get the current date and time. Includes a custom keyboard for fast date entry in other applications and supports various date formats.

Roozegar, Persian Calendar

Comprehensive Persian (Jalali) calendarDate conversion toolMultiple widgets

This app provides a comprehensive Persian (Jalali) calendar for iPhone, iPad, and Apple Watch. It includes date conversion tools and multiple widgets for easy access to your schedule. You can also log events directly into your system calendar.

(10K)

Ethiopian Calendar + Converter

Holidays, Fasting, Amharic

Dual calendar systemAccurate date converterEvent and reminder saving

This app provides an accurate and user-friendly Ethiopian calendar with event reminders and a dual-calendar date converter. It supports multiple languages and customizable themes for a personalized experience.

(15)

Hijri Dates Converter

by Adeeb Bukhari