How many years is Nepali Bikram Sambat ahead of English AD?

Bikram Sambat is approximately 56 years and 8.5 months ahead of the Gregorian calendar. From mid-April to December 31, BS is 57 years ahead of AD. From January 1 to mid-April, BS is 56 years ahead.

Why do Nepali months have 29 to 32 days?

Because Bikram Sambat is a solar sidereal calendar governed by the Sun's transit (Sankranti) across constellations. Due to the elliptical orbit of Earth, month lengths vary between 29 and 32 days each year.

Nepali Date Converter (AD to BS) – Convert English to Bikram Sambat Free

Utilities/Date Converter (AD to BS)

Input English Date (ई.सं.)Gregorian AD

Select Date (Calendar Picker)

Year

Month

Day

Converted Nepali Date (वि.सं.)मंगलबार

२०८३ भाद्र २३, मंगलबार

2083 Bhadra 23, Tuesday

Date Formats:

Standard Nepali:

२०८३/०५/२३

ISO Numeric:

2083-05-23

English Source:2026-09-08

Relative:Today (आज)

About Nepali Date Converter (Bikram Sambat & Gregorian)

Quick, accurate conversion between Bikram Sambat (वि.सं.) and Gregorian Calendar (ई.सं.) for official documents, citizenship, passports, and banking.

1. Bikram Sambat (वि.सं.) vs English Calendar (ई.सं.)

Bikram Sambat (वि.सं.) is the official civil calendar of Nepal, running approximately 56.7 years ahead of the Western Gregorian calendar (AD). Because months vary between 29 and 32 days depending on solar transitions, exact calendar mapping is required rather than a simple mathematical offset.

Our conversion engine provides fast, accurate date conversions from 2000 BS to 2090 BS, fully compliant with Nepal Government civil service, passport, and academic standards.

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Astronomical lookup tables covering 2000 BS to 2090 BS with exact month day-counts.

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