Avani Masam 2025 | Aavani Month in Tamil calendar

Avani masam or Aavani month is 5th month in traditional Tamil calendar followed in Tamil Nadu. In 2025, Avani Masam begins on August 17 and ends on September 16 (31 days).

It is one of the auspicious months for Tamil people.  Simha Sankramanam or Sun’s transition to Leo zodiac marks the beginning of Avani masam. It is also known as Simha masam in Solar calendar.

Avani Avittam is one of the major festivals in the month Avani. Tamil Brahmins change their sacred thread (Yagnopaveetham or Gayathri) on Avittam nakshatram day in Aavani month. Sundays in Avani month are dedicated to reciting prayers ‘Avani Gnayiru’.

Aavani Masam corresponds with Shravana Month & Bhadrapada Month in Marathi, Telugu, Kannada, and Gujarati Amavasyanth calendars and Bhadrapada month in North Indian Hindi calendars. Aavani coincides with Chinga month in Kerala calendar and Bhadra Month in Bengali calendar.

Festivals & Auspicious Days in Aavani Masam 2025

Sunday, 17 August  2025 – Simha Sankranti

Tuesday, 19 August  2025 – Aja Ekadashi

Tuesday, 26 August  2025 – Hartalika Teej

Wednesday, 27 August  2025 – Ganesh Chaturthi (Vinayaka Chavithi)

Thursday, 28 August  2025 – Rishi Panchami

Sunday, 31 August  2025 – Radha Ashtami

Wednesday, 3 September 2025 – Parsva Ekadashi

Saturday, 6 September 2025 – Anant Chaturdashi

Saturday, 6 September 2025 – Ganesh Visarjan (Ganesh Nimajjanam)

Sunday, 7 September 2025 – Chandra Grahan (Lunar Eclipse)

Sunday, 7 September 2025 – Bhadrapad Purnima

Monday, 8 September 2025 – Pratipada Shraddha, Pitru Paksha Begins

Days, dates in Aavani Masam 2025

17 August 2025 – Aavani Masam, Day 1

18 August 2025 – Aavani Masam, Day 2

19 August 2025 – Aavani Masam, Day 3

20 August 2025 – Aavani Masam, Day 4

21 August 2025 – Aavani Masam, Day 5

22 August 2025 – Aavani Masam, Day 6

23 August 2025 – Aavani Masam, Day 7

24 August 2025 – Aavani Masam, Day 8

25 August 2025 – Aavani Masam, Day 9

26 August 2025 – Aavani Masam, Day 10

27 August 2025 – Aavani Masam, Day 11

28 August 2025 – Aavani Masam, Day 12

29 August 2025 – Aavani Masam, Day 13

30 August 2025 – Aavani Masam, Day 14

31 August 2025 – Aavani Masam, Day 15

1 September 2025 – Aavani Masam, Day 16

2 September 2025 – Aavani Masam, Day 17

3 September 2025 – Aavani Masam, Day 18

4 September 2025 – Aavani Masam, Day 19

5 September 2025 – Aavani Masam, Day 20

6 September 2025 – Aavani Masam, Day 21

7 September 2025 – Aavani Masam, Day 22

8 September 2025 – Aavani Masam, Day 23

9 September 2025 – Aavani Masam, Day 24

10 September 2025 – Aavani Masam, Day 25

11 September 2025 – Aavani Masam, Day 26

12 September 2025 – Aavani Masam, Day 27

13 September 2025 – Aavani Masam, Day 28

14 September 2025 – Aavani Masam, Day 29

15 September 2025 – Aavani Masam, Day 30

16 September 2025 – Aavani Masam, Day 31