Convert any date between the English (Gregorian, AD) calendar and the Nepali (Bikram Sambat, BS) calendar, instantly. Supports BS 1975–2099 (AD 1918–2043).
Nepal's official calendar, Bikram Sambat (BS), is a lunisolar calendar — each month can run 29 to 32 days, and the exact lengths were fixed year by year rather than following a fixed pattern like the Gregorian calendar's "30 days has September...". That's why a correct converter needs real calendar data for every year, not a formula.
BS runs roughly 56 years and 8 months ahead of AD, and the Nepali new year usually falls in mid-April.
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