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BS ↔ AD Date Converter

Turn Bikram Sambat notices into English dates — and back.

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About this tool

Convert dates between Bikram Sambat (BS) and standard English (AD) dates, with Nepali digits and month names — handy for reading DOI notices, publication dates and renewal deadlines.

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Convert between calendars

Bikram Sambat (BS) is about 56.7 years ahead of the Gregorian (AD) calendar.

BS

English (AD) → Nepali (BS)

Supported range: 1921-01-01 to 2040-12-31

Pick an English date above to convert.

AD

Nepali (BS) → English (AD)

Supported range: 1978-01-01 to 2099-12-30 (YYYY-MM-DD)

Enter a BS date above to convert.

Quick facts

Today (English): 25 September 2026 = 2083-06-09 (BS)

Bikram Sambat is an official calendar of Nepal, about 56.7 years ahead of the Gregorian calendar. The new year starts in mid-April.

Conversions use the standard Bikram Sambat calendar table covering 1978-01-01 to 2099-12-30 (English 1921-01-01 to 2040-12-31). Dates outside this range cannot be converted.