Convert Hijri, Shamsi or Bikram Sambat dates to Gregorian with rule explanation.
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Convert a Hijri, Shamsi or Bikram Sambat date to Gregorian in seconds. The tool shows the converted date, explains the calendar rule, and notes possible one‑day differences.
Select the source calendar, type the date, and click Convert. The tool returns the Gregorian date with a short rule description.
Hijri is lunar, Shamsi is solar, and Bikram Sambat is a lunisolar calendar. Each uses a specific algorithm that can cause a one‑day variance.
Enter the date in the format shown in the placeholder. If the result seems off by a day, check local sighting variations for Hijri dates.
This tool only converts from Hijri, Shamsi or Bikram Sambat to Gregorian. Use a reverse converter for the opposite direction.
Use YYYY‑MM‑DD or the separator shown in the placeholder (e.g., 1445-01-01).