World calendars on the grahan sky engine, Bikram Sambat (the Nepali civil calendar) first. BS is data-driven: month lengths come from committed tables (BS 1975–2100) verified against published calendars, and conversion is exact day-count arithmetic.
World calendars on the grahan sky engine, Bikram Sambat (the Nepali civil calendar) first. BS is data-driven: month lengths come from committed tables (BS 1975–2100) verified against published calendars, and conversion is exact day-count arithmetic.