Important Notes:

Regional Variations:
First and foremost, this calendar focuses on widely observed holidays. However, many states and union territories in India have their own specific regional holidays, which are not included here for brevity. Therefore, for detailed state-specific holidays, we recommend consulting the official Government of India holiday calendar for comprehensive listings.

Lunar Calendar Dates:
Similarly, many Indian festivals are based on the lunar calendar, and consequently, their exact dates can vary slightly year to year. To better understand this, learn more about how lunar calendars work from NASA’s moon phase explanations. Meanwhile, the dates provided are based on the Gregorian calendar approximations for 2025 and are generally widely accepted.

Tentative Dates:
Additionally, some Islamic holidays (like Eid al-Fitr, Eid al-Adha, Muharram, Milad-un-Nabi) depend on the sighting of the moon and might vary by a day or two. As a result, for the most accurate Islamic calendar dates, we suggest referring to Islamic Finder. Nevertheless, the dates given are the most commonly predicted ones.

Festival Traditions:
Furthermore, to learn about the cultural significance and traditional celebrations of these festivals, visit Encyclopedia Britannica’s Indian Festivals section for in-depth historical context.