Nepali Age Calculator
Calculate the time difference between two Bikram Sambat (BS) dates.
Date of Birth (BS)
Target Date (BS)
About Calculator
This tool is specifically designed for the Bikram Sambat (BS) calendar, which is the official calendar of Nepal. Calculating age in BS is complex because, unlike the Gregorian calendar (AD), the number of days in each month is not fixed and changes every year.
To ensure accuracy, this calculator relies on a verified, comprehensive 100-year date table covering 2000 BS to 2099 BS. This allows the system to correctly determine the exact number of days to “borrow” from a previous month during the subtraction process.
Frequently Asked Questions
Bikram Sambat (BS) is the official calendar of Nepal. It is a solar calendar that is approximately 56 years, 8 months, and 17 days ahead of the Gregorian calendar (AD).
The Nepali new year typically begins in the middle of April (Baisakh 1).
Unlike the Gregorian calendar, where months are fixed at 28, 29, 30, or 31 days, the Bikram Sambat calendar is based on the positions of the sun and moon. This means the number of days in a month varies from year to year (typically between 29 and 32 days).
This calculator uses a verified 100-year date table to ensure accuracy.
The calculator is built on a comprehensive date table covering 100 years of the Bikram Sambat calendar. It supports calculations for dates between 2000 BS and 2099 BS. Dates outside this range will result in an error.
When calculating the age difference, the calculator accounts for the exact number of days in the *preceding month* of the target date. If the day difference is negative, it ‘borrows’ the actual number of days from the target date’s previous month (which changes every year) to ensure an accurate result.