The Tamil Calendar is followed by the Tamil speaking state of Tamil Nadu, Kerala in India and by the Tamil population in Sri Lanka. There are several festivals in Tamil Nadu based on the Tamil cultural Calendar. The Tamil calendar is based on the solar cycle. It has a sixty-year cycle and each year has twelve months. The Tamil New Year follows the vernal equinox and generally falls on April 14 of the Gregorian year.
The Tamil calendar is based on the solar calendar used by the people of Tamil Nadu and Sri Lanka and Thailand where the traditional new year falls on January 14 as well.
Here I am including the days and tamil months along with dates. These dates are approximate which varies by one or two days in the Gregorian calendar depending on adjustments made to the calendar every year so as to align with astronomic observations.
| English days and months | Tamil days and months |
| today | indru |
| yesterday | nedru |
| tomorrow | naalai |
| this week | intha vaaram |
| last week | pona vaaram |
| next week | adutha vaaram |
| Sunday | nyaayiru |
| Monday | thingGal |
| Tuesday | sevvaai |
| Wednesday | budhan |
| Thursday | vyaalan |
| Friday | velli |
| Saturday | sani |
| 15th Jan to 15th Feb | Thai |
| 15th Feb to 15th March | Maasi |
| 15th March to 15th April | Panguni |
| 15th April to 15th May | Chithirai |
| 15th May to 15th June | Vaikasi |
| 15th June to 15th July | Aani |
| 15th July to 15th Aug | Aadi |
| 15th Aug to 15th Sep | Aavani |
| 15th Sep to 15th Oct | Purattasi |
| 15th Oct to 15th Nov | Aippasi |
| 15th Nov to 15th Dec | Kaarthikai |
| 15th Dec to 15th Jan | Margali |
Next Lesson 21: Fruit names in Tamil
