| December 1980 | |
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| | 1 K. Navami Uttra Phalguni | 2 K. Dasami Hasta | 3 K. Ekadasi Chitra Utpanna Ekadashi | 4 K. Dvadasi Swati | 5 K. Trayodasi Swati Masik Shivaratri | 6 K. Chaturdashi Vishakha |
7 K. Amavasya Anuradha Margashirsha Amavasya | 8 S. Prathama Jyeshtha Chandra Darshan | 9 S. Dwitiya Mula | 10 S. Tritiya Purva Ashadha | 11 S. Chaturthi Uttra Ashadha Vinayaka Chaturthi | 12 S. Panchami Shravana Vivah Panchami | 13 S. Shashthi Dhanishtha Champa Shashthi, Subrahmanya Sashti |
14 S. Saptami Shatabhisha | 15 S. Ashtami Purva Bhadrapada Dhanu Sankranti, Masik Durgashtami | 16 S. Navami Uttra Bhadrapada | 17 S. Dasami Revati | 18 S. Ekadasi Aswini Gita Jayanti, Mokshada Ekadashi, Vaikuntha Ekadashi | 19 S. Dvadasi Bharani Hanuman Jayanti *Kannada, Masik Karthigai | 20 S. Trayodasi Rohini Rohini Vrat |
21 S. Poornima Mrigashirsha Annapurna Jayanti, Dattatreya Jayanti, Purnima Upavas, Shortest Day of Year | 22 K. Prathama Ardra Arudra Darshan | 23 K. Dwitiya Punarvasu | 24 K. Tritiya Pushya Sankashti Chaturthi | 25 K. Chaturthi Ashlesha Merry Christmas | 26 K. Panchami Magha Mandala Pooja | 27 K. Shashthi Purva Phalguni |
28 K. Saptami Uttra Phalguni | 29 K. Ashtami Hasta Kalashtami | 30 K. Navami Hasta | 31 K. Dasami Chitra | | | |