Chaturthi (चतुर्थी) dates and timings in Adelaide for 1987
Verified astronomical start and end times for lunar day 4 in Adelaide, shown in Australia/Adelaide.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 3 Jan 1987, 2:50 am GMT+10:30 | 4 Jan 1987, 12:10 am GMT+10:30 | 21 hr 20 min | Yes |
| 2 | 1 Feb 1987, 3:34 pm GMT+10:30 | 2 Feb 1987, 1:57 pm GMT+10:30 | 22 hr 23 min | Yes |
| 3 | 3 Mar 1987, 6:16 am GMT+10:30 | 4 Mar 1987, 5:57 am GMT+10:30 | 23 hr 41 min | Yes |
| 4 | 1 Apr 1987, 9:19 pm GMT+9:30 | 2 Apr 1987, 10:15 pm GMT+9:30 | 24 hr 56 min | Yes |
| 5 | 1 May 1987, 1:56 pm GMT+9:30 | 2 May 1987, 3:49 pm GMT+9:30 | 25 hr 52 min | Yes |
| 6 | 31 May 1987, 6:25 am GMT+9:30 | 1 Jun 1987, 8:48 am GMT+9:30 | 26 hr 24 min | Yes |
| 7 | 29 Jun 1987, 10:14 pm GMT+9:30 | 1 Jul 1987, 12:37 am GMT+9:30 | 26 hr 23 min | Yes |
| 8 | 29 Jul 1987, 12:58 pm GMT+9:30 | 30 Jul 1987, 2:46 pm GMT+9:30 | 25 hr 49 min | Yes |
| 9 | 28 Aug 1987, 2:11 am GMT+9:30 | 29 Aug 1987, 2:56 am GMT+9:30 | 24 hr 45 min | Yes |
| 10 | 26 Sept 1987, 1:41 pm GMT+9:30 | 27 Sept 1987, 1:09 pm GMT+9:30 | 23 hr 27 min | Yes |
| 11 | 26 Oct 1987, 12:40 am GMT+10:30 | 26 Oct 1987, 10:54 pm GMT+10:30 | 22 hr 14 min | No |
| 12 | 24 Nov 1987, 9:49 am GMT+10:30 | 25 Nov 1987, 7:09 am GMT+10:30 | 21 hr 20 min | Yes |
| 13 | 23 Dec 1987, 7:02 pm GMT+10:30 | 24 Dec 1987, 3:58 pm GMT+10:30 | 20 hr 56 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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