Nepali Date Converter (BS ↔ AD)
Convert Nepali (Bikram Sambat) dates to English (Gregorian) dates and vice versa instantly and accurately.
Bikram Sambat (B.S.) to Gregorian (A.D.)
Understanding the Nepali Calendar (Bikram Sambat) & Date Conversion
What is Bikram Sambat (B.S.)?
Bikram Sambat (abbreviated B.S.) is the official calendar of Nepal. Named after the legendary Indian king Vikramaditya, it is a solar calendar based on ancient Hindu astrological principles. The B.S. calendar is approximately 56.7 years ahead of the Gregorian calendar (A.D.). For example, the start of the Nepali year (New Year's Day or Baisakh 1) falls around mid-April in the Gregorian calendar.
Difference Between B.S. and A.D. Calendars
The primary difference lies in how month lengths are computed. In the Gregorian calendar, month lengths are fixed (except for leap years). In contrast, the Bikram Sambat calendar aligns with the sidereal movement of the sun across different zodiac symbols (Sankranti). Because the transit time varies, B.S. months have changing lengths (ranging from 29 to 32 days) determined on a yearly basis by astronomical calculations. This variability makes static conversion formulas impossible, requiring a mapped reference table database.
History of the Nepali Calendar
The calendar has deep historic roots across the Indian subcontinent and was historically adapted by different rulers in Nepal. It was established as Nepal's official civil calendar during the Rana Dynasty by Chandra Shumsher in 1958 B.S. Since then, government systems, newspapers, holidays, and official transactions in Nepal have been dated using Bikram Sambat.
Why Is Date Conversion Required?
Because Nepal uses Bikram Sambat locally while the rest of the world uses the Gregorian calendar (A.D.), seamless translation is essential for various modern applications:
- Government Documents: Official papers such as citizenship certificates, passports, birth certificates, and land deeds are issued in B.S. but require A.D. conversions for international verification and visa applications.
- Academic Applications: Nepalese students applying to overseas universities must convert their transcript dates, school completion terms, and birth dates from B.S. to A.D.
- Banking and Finance: Financial transactions, tax filings, and account statements utilize B.S. inside Nepal, while international trade, invoicing, and cross-border bank integrations run strictly on A.D.
- Travel and Tourism: Tourists booking hotels, flights, and tours need translation between flight schedules (Gregorian) and Nepalese public holidays/festivals (Bikram Sambat).
Frequently Asked Questions (FAQs)
What is a Nepali Date Converter?
It is a digital tool that instantly translates calendar dates from Bikram Sambat (B.S.) to the Western Gregorian calendar (A.D.) and vice-versa.
How do I convert B.S. to A.D. dates?
Choose the B.S. to A.D. tab, select the Nepali year, month, and day, and the corresponding English date will be calculated automatically.
Is this Nepali date converter accurate?
Yes, our converter is highly accurate and uses historical calendar tables mapped from B.S. 1970 to B.S. 2100.
Why does the number of days in a Nepali month change?
Because the B.S. calendar depends on astrological transits of the sun. The length of each month represents the exact time the sun takes to cross zodiac boundary lines.