Buddhist Tools
The Buddhist Era calendar, Vesak, Uposatha observance days, and other Buddhist calendar calculators.
Sourcing and methodology for this tradition's tools are summarized on How we verify.
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New
Buddhist Era (BE) Converter
Convert between the Gregorian and Buddhist Era calendars (Thai +543 or +544).
New
Vesak Date Calculator
Vesak (Buddha Day) for any Gregorian year, plus real country-by-country variation.
New
Uposatha Calendar
The next 8 lunar observance days — new, full, and quarter moons.
New
Theravada Holiday Calculator
Magha Puja, Asalha Puja, and the Kathina robe-offering window.