Here is a simple, Jain-focused overview of the Jain calendar.
- The Jain calendar is a lunisolar system. It tracks months based on the moon and aligns with the solar year so festivals fall in the same seasons each year.
- Each year is divided into months, and each month is made up of two halves called pakṣa: Shukla (bright half) and Krishna (dark half). Each pakṣa contains roughly 14–15 tithis (daily lunar days).
- There are 12 months in a typical Jain calendar. Each month has a sequence of tithis (1 to about 30) that mark days in the lunar cycle.
- Important days are often set by tithi (which day of the lunar month it is) and ekadashi (the 11th day of a pakṣa), as well as specific purnima (full moon) or amavasya (new moon) days.
- Observances and festivals
- Paryushan Parva and Das Lakshana: A major annual period of fasting, reflection, and spiritual study. Observance patterns vary between Digambar and Śvetambar communities, including the number of festival days and practices.
- Mahavir Jayanti: Birthday of Lord Mahavir, celebrated on a specific tithi that the calendar marks each year; the exact date can differ between regions.
- Nirvana/Diwali: In many Jain communities, major festival days commemorate Mahavir’s Nirvana or other key events in the life of the Tirthankaras. The way this festival is observed and the exact tithi used can differ by Digambar vs. Śvetambar traditions.
- Navapujak or other local/regionally celebrated days: Many communities also observe additional days tied to temple anniversaries, tirthas, or local traditions.
- Sect differences (Digambar vs. Śvetambar)
- The fundamental structure (months, tithis, lunar-solar alignment) is shared, but the naming traditions, the exact tithis chosen for major festivals, and the timing of certain observances can differ.
- For example, the same month or festival might be celebrated on slightly different tithis or with different fasting practices between the two sects.
- When you study a particular festival or fast, it helps to check the local community or temple calendar for the precise dates and customs you follow.
- Many Jains use the calendar to plan fasts, pujas, pilgrimages, and temple events. Families may follow a regional or sect-specific variant, so you’ll often see multiple calendars in one community.
- In practice, people often refer to both the lunar dates (tithis) and the solar season to decide when to observe a particular festival.
If you’d like, I can tailor this to a specific Jain sect (Digambar or Śvetambar) or explain the dates and festival practices for a particular region or temple calendar.
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