Date Converter (AD ↔ BS)
Convert English (AD / Gregorian) dates to Nepali Bikram Sambat (BS) and BS back to AD.
Estimates only — not professional financial, medical, legal or engineering advice. Read full disclaimer.
Calculating...
Result
Fill in the form and click Calculate to see your result here.
How it's calculated
Conversion uses a validated Bikram Sambat month-length lookup table (not a fixed year offset). AD→BS accumulates Gregorian days from a known epoch and maps into BS year/month/day; BS→AD reverses that mapping.
Example
Example: Date Converter (AD ↔ BS)
Inputs
- Direction: ad_to_bs
- Ad Date: 2026-07-23
- Bs Date: 2083-04-07
Outputs
- Bs Date: 2083-04-07
- Bs Readable: 7 Shrawan 2083
- Bs Month Name: Shrawan
- Weekday: Thursday
This example uses typical sample values. Adjust the inputs above to see how the results change for your own numbers.
About this calculator
The Date Converter converts between the Gregorian calendar (AD) and Nepal’s official Bikram Sambat (BS) calendar in both directions. Use it for forms, documents, festivals, and official date translations. Supported range: AD 1944–2033 / BS 2000–2089.
Frequently Asked Questions
Choose “AD → BS”, enter the Gregorian date, and calculate. You will get the matching Bikram Sambat year, month and day with weekday.
Choose “BS → AD”, enter the BS year, Nepali month and day, then calculate to get the Gregorian date.
This converter supports AD dates from 1944 to 2033 and BS dates from 2000 to 2089, based on the embedded calendar table.
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