Chaturthi (चतुर्थी) dates and timings in Adelaide for 2021
Verified astronomical start and end times for lunar day 4 in Adelaide, shown in Australia/Adelaide.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 16 Jan 2021, 12:46 pm GMT+10:30 | 17 Jan 2021, 1:08 pm GMT+10:30 | 24 hr 23 min | Yes |
| 2 | 15 Feb 2021, 6:59 am GMT+10:30 | 16 Feb 2021, 8:37 am GMT+10:30 | 25 hr 38 min | Yes |
| 3 | 17 Mar 2021, 1:59 am GMT+10:30 | 18 Mar 2021, 4:29 am GMT+10:30 | 26 hr 30 min | Yes |
| 4 | 15 Apr 2021, 7:27 pm GMT+9:30 | 16 Apr 2021, 10:06 pm GMT+9:30 | 26 hr 39 min | Yes |
| 5 | 15 May 2021, 12:00 pm GMT+9:30 | 16 May 2021, 2:01 pm GMT+9:30 | 26 hr 1 min | Yes |
| 6 | 14 Jun 2021, 1:40 am GMT+9:30 | 15 Jun 2021, 2:34 am GMT+9:30 | 24 hr 54 min | Yes |
| 7 | 13 Jul 2021, 12:24 pm GMT+9:30 | 14 Jul 2021, 12:02 pm GMT+9:30 | 23 hr 38 min | Yes |
| 8 | 11 Aug 2021, 8:54 pm GMT+9:30 | 12 Aug 2021, 7:25 pm GMT+9:30 | 22 hr 31 min | Yes |
| 9 | 10 Sept 2021, 4:18 am GMT+9:30 | 11 Sept 2021, 1:58 am GMT+9:30 | 21 hr 39 min | Yes |
| 10 | 9 Oct 2021, 12:49 pm GMT+10:30 | 10 Oct 2021, 9:55 am GMT+10:30 | 21 hr 7 min | Yes |
| 11 | 7 Nov 2021, 9:22 pm GMT+10:30 | 8 Nov 2021, 6:17 pm GMT+10:30 | 20 hr 55 min | Yes |
| 12 | 7 Dec 2021, 7:32 am GMT+10:30 | 8 Dec 2021, 4:41 am GMT+10:30 | 21 hr 9 min | Yes |
How these timings are calculated
BDA calculates the geocentric angular separation of the Moon and Sun and divides the full cycle into 30 equal 12-degree Tithi sectors. UTC boundaries are converted to the timezone resolved from the listed city coordinates.
Scope: These are astronomical Tithi spans only. This page does not choose a festival, Vrat, Parana, or Muhurta date. Those decisions require their separately certified sunrise-prevalence and observance rules.
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