One date, every calendar A Gregorian day in all 23 traditions this almanac reckons, side by side: the month and day each one calls it, the era number each one counts in, the rule that fixed it, and the five limbs of the day. And the other way round, from a regional date back to a Gregorian one.
Which Sun the TAMIL row is reckoned from, and nothing else: Kerala keeps its own drik sankranti and the lunar traditions their own new moons. Most printed Tamil calendars are vakya and astronomical ones are thirukanitha, and the two can start a month a day apart — why two calendars differ sets the rule out in full.
Asia/Kolkata · UTC+5:30
The place is not decoration. A solar month begins on the day the Sun enters the sign before the local sunset — or, in Kerala, before aparahna — and a lunar day is the tithi running at the local sunrise, so the same morning can be two different dates in Chennai and in Chicago.
Choose a date to read in every calendar.
The page opens on today. Enter any Gregorian date and a place, and it prints that day as each tradition writes it — the Tamil solar month and day, Kerala's Malayalam month with its Kollam Varsham, the amanta lunar month and tithi of Andhra, Telangana and Karnataka, North India's purnimanta month, and the Marathi, Bengali, Punjabi, Assamese, Sinhala, Nepali, Gujarati and Odia dates beside them — with every era number those calendars count in: the Shalivahana Saka, both Vikram Samvats, the Kollam Varsham, the Bangabda, the Bhaskarabda, the Nanakshahi year and the Buddhist era. Under the table are the five limbs of the day — vara, tithi, nakshatra, yoga and karana — and a reverse lookup that takes a regional date and finds the Gregorian day it falls on.