Chaturthi (चतुर्थी) dates and timings in Adelaide for 1981
Verified astronomical start and end times for lunar day 19 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 | 23 Jan 1981, 5:56 pm GMT+10:30 | 24 Jan 1981, 7:07 pm GMT+10:30 | 25 hr 11 min | Yes |
| 2 | 22 Feb 1981, 1:12 pm GMT+10:30 | 23 Feb 1981, 3:18 pm GMT+10:30 | 26 hr 6 min | Yes |
| 3 | 24 Mar 1981, 7:12 am GMT+9:30 | 25 Mar 1981, 9:41 am GMT+9:30 | 26 hr 29 min | Yes |
| 4 | 23 Apr 1981, 12:41 am GMT+9:30 | 24 Apr 1981, 2:58 am GMT+9:30 | 26 hr 17 min | Yes |
| 5 | 22 May 1981, 3:49 pm GMT+9:30 | 23 May 1981, 5:21 pm GMT+9:30 | 25 hr 32 min | Yes |
| 6 | 21 Jun 1981, 4:13 am GMT+9:30 | 22 Jun 1981, 4:36 am GMT+9:30 | 24 hr 23 min | Yes |
| 7 | 20 Jul 1981, 2:00 pm GMT+9:30 | 21 Jul 1981, 1:06 pm GMT+9:30 | 23 hr 5 min | Yes |
| 8 | 18 Aug 1981, 9:48 pm GMT+9:30 | 19 Aug 1981, 7:44 pm GMT+9:30 | 21 hr 56 min | Yes |
| 9 | 17 Sept 1981, 4:41 am GMT+9:30 | 18 Sept 1981, 1:49 am GMT+9:30 | 21 hr 8 min | Yes |
| 10 | 16 Oct 1981, 11:59 am GMT+9:30 | 17 Oct 1981, 8:48 am GMT+9:30 | 20 hr 49 min | Yes |
| 11 | 14 Nov 1981, 9:53 pm GMT+10:30 | 15 Nov 1981, 6:52 pm GMT+10:30 | 20 hr 59 min | Yes |
| 12 | 14 Dec 1981, 9:04 am GMT+10:30 | 15 Dec 1981, 6:41 am GMT+10:30 | 21 hr 37 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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