Instantly convert dates between Bikram Sambat (BS) and Anno Domini (AD) using our accurate lookup table. Real-time conversion — just type or pick a date.
Frequently Asked Questions
What is Bikram Sambat (BS)?
Bikram Sambat (BS) is the official calendar of Nepal. It is approximately 56.7 years ahead of the Gregorian calendar (AD). The Nepali year starts in mid-April with the month Baisakh. The BS calendar is widely used in Nepal for government, cultural, and religious purposes.
How accurate is this converter?
This converter uses a pre-computed lookup table of BS month lengths for years 2060-2100, making it significantly more accurate than simple formula-based converters. It accounts for the varying day counts in each BS month across different years.
Why doesn't BS have a fixed offset from AD?
Unlike the Gregorian calendar, the Nepali BS calendar is lunisolar — month lengths vary each year based on astronomical observations. This means there's no simple formula like "BS - 57 = AD". A lookup table with actual month-day data is required for accuracy.
What years are supported?
This converter supports BS years from 2060 to 2100 (approximately 2003 to 2044 AD). This covers the vast majority of use cases for Nepali date conversion.