Modern · Solar
Baháʼí / Badíʿ Calendar
The Badíʿ calendar uses a distinctive 19×19 structure and intercalary days called Ayyám-i-Há. Baháʼí New Year, Naw-Rúz, is tied to the vernal equinox.
What is the Baháʼí / Badíʿ Calendar?
The Badíʿ calendar uses a distinctive 19×19 structure and intercalary days called Ayyám-i-Há. Baháʼí New Year, Naw-Rúz, is tied to the vernal equinox.
How the calendar is structured
19 months of 19 days plus 4 or 5 intercalary days; New Year at the vernal equinox.
19 months of 19 days plus 4 or 5 intercalary days; New Year at the vernal equinox.
Where and why it is used
Region: Baháʼí communities worldwide. Primary context: Baháʼí holy days, fast, feasts and community life.
History and development
The system belongs to the Modern layer of the archive. Its origin is summarized as 1844 era. CalculatorWiser separates historical reconstruction, religious observance, civil use, and modern technical standards so different systems are not treated as though they all work the same way.
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Conversion and accuracy notes
Some calendar systems can be converted deterministically with modern algorithms. Others depend on observation, local authority, historical reconstruction, or regional practice. CalculatorWiser marks those distinctions rather than presenting uncertain dates as exact.
Research trail
This entry is part of the research-backed World Calendar Archive. Primary research anchor for this entry: Baháʼí International Community.
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