Though Chaturthi is not a good tithi for auspicious undertakings it is a great day for Ganesha pooja. The Shukla Chaturthis are called Vinayaka Chaturthi.
You can read about the 16 tithis here
| Krishna Paksha Chaturthi 2020 | Shukla Paksha Chaturthi 2020 |
| Starting Ending | Starting Ending |
| Jan 13, 5:32 pm – Jan 14, 2:49 pm | Jan 28, 8:22 am – Jan 29, 10:46 am |
| Feb 12, 2:53 am – Feb 12, 11:39 pm | Feb 27, 4:12 am – Feb 28, 6:44 am |
| Mar 12, 11:59 am – Mar 13, 8:50 am | Mar 27, 10:12 pm – Mar 29, 12:18 am |
| Apr 10, 9:31 pm – Apr 11, 7:01 pm | Apr 26, 1:23 pm – Apr 27, 2:30 pm |
| May 10, 8:04 am – May 11, 6:35 am | May 26, 1:18 am – May 27, 1:09 am |
| Jun 08, 7:56 pm – Jun 09, 7:39 pm | Jun 24, 10:14 am – Jun 25, 8:47 am |
| Jul 08, 9:19 am – Jul 09, 10:11 am | Jul 23, 5:03 pm – Jul 24, 2:34 pm |
|
Aug 07, 12:15 am – Aug 08, 2:06 am Sankata Hara Chaturthi |
Aug 21, 11:03 pm – Aug 22, 7:57 pm Ganesh Chaturthi, |
| Sep 05, 4:39 pm – Sep 06, 7:07 pm | Sep 20, 5:39 am – Sep 21, 2:27 am |
| Oct 05, 10:02 am – Oct 06, 12:32 pm | Oct 19, 2:08 pm – Oct 20, 11:19 am |
| Nov 04, 3:24 am – Nov 05, 5:14 am | Nov 18, 1:17 am – Nov 18, 11:16 pm |
| Dec 03, 7:27 pm – Dec 04, 8:03 pm | Dec 17, 3:18 pm – Dec 18, 2:23 pm |