Universal Date Converter
Convert dates between world calendar systems — Gregorian, Nepali BS, Islamic, Persian, Hebrew, and more.
Same date in all calendars
Popular Conversions
Worldwide → Nepal
Nepal → Worldwide
Worldwide → Muslim world
Muslim world → Worldwide
Worldwide → Iran, Afghanistan
Worldwide → Israel, Jewish communities
Worldwide → Japan
Worldwide → Thailand
Worldwide → Ethiopia, Eritrea
Worldwide → China, East Asia
Worldwide → India
Worldwide → Historical / Orthodox churches
Supported Calendar Systems
The international standard calendar used worldwide
Introduced by Pope Gregory XIII in 1582
The predecessor to the Gregorian calendar, still used in some Orthodox churches
Introduced by Julius Caesar in 46 BC
The official calendar of Nepal, approximately 56.7 years ahead of Gregorian
Named after King Vikramaditya, established ~57 BC
A lunar calendar used in Muslim countries for religious purposes
Based on Prophet Muhammad's migration to Medina in 622 AD
The official calendar of Iran and Afghanistan
Solar calendar based on astronomical observations
The traditional calendar used in Judaism for religious observances
Established around the 4th century CE
Traditional Chinese lunisolar calendar (approximate solar mapping)
One of the oldest chronological records, dating back thousands of years
Buddhist Era calendar used in Thailand, 543 years ahead of Gregorian
Based on the Buddhist Era
The principal calendar used in Ethiopia, 7-8 years behind Gregorian
Based on the Alexandrian calendar
Japanese imperial era calendar, currently in the Reiwa era
Era system dating back to 645 CE, Reiwa since May 1, 2019
The official civil calendar of India alongside the Gregorian
Reformed in 1957 based on the Saka era starting 78 CE
Date Converter: Gregorian, Hijri, Persian, Hebrew & More
Convert dates between calendars: Gregorian, Bikram Sambat (Nepali), Hijri (Islamic), Persian (Jalali), Hebrew, and more. Free online calendar converter.
How It Works
Select a calendar system and enter a date. The tool instantly converts it to all other supported calendar formats, showing the equivalent date in Gregorian, Hijri, Persian, Hebrew, and Bikram Sambat simultaneously.
Common Use Cases
- Converting Bikram Sambat (BS) dates to Gregorian (AD) for official documents
- Finding the Hijri date for Islamic holidays and observances
- Converting Persian (Jalali) dates for business or travel purposes
- Looking up Hebrew calendar dates for Jewish holidays
Frequently Asked Questions
Bikram Sambat (BS) is the official calendar of Nepal. It is approximately 56.7 years ahead of the Gregorian calendar.
The Hijri (Islamic) calendar is a lunar calendar of 12 months. It is used to determine Islamic holidays and is approximately 11 days shorter than the Gregorian year.
Our tool uses established astronomical algorithms for high accuracy across all supported calendar systems.
Select 'Gregorian' as the source calendar, enter today's date, and the equivalent Bikram Sambat (BS) date appears instantly alongside all other calendar formats.
Currently supported: Gregorian (AD), Bikram Sambat (BS/Nepali), Hijri (Islamic), Persian (Jalali/Solar Hijri), and Hebrew calendars. More calendars may be added in the future.
Bikram Sambat is believed to have been started by King Vikramaditya in 57 BC. So the Gregorian year 2024 corresponds to approximately BS 2081.
Yes, the tool accounts for leap years in all calendars. Each calendar system has its own leap year rules, and all are implemented accurately.