Chaturthi (चतुर्थी) dates and timings in Adelaide for 1977
Verified astronomical start and end times for lunar day 19 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 | 8 Jan 1977, 11:16 pm GMT+10:30 | 9 Jan 1977, 10:43 pm GMT+10:30 | 23 hr 27 min | Yes |
| 2 | 7 Feb 1977, 10:56 am GMT+10:30 | 8 Feb 1977, 9:15 am GMT+10:30 | 22 hr 20 min | Yes |
| 3 | 8 Mar 1977, 7:41 pm GMT+9:30 | 9 Mar 1977, 5:07 pm GMT+9:30 | 21 hr 26 min | Yes |
| 4 | 7 Apr 1977, 4:01 am GMT+9:30 | 8 Apr 1977, 12:54 am GMT+9:30 | 20 hr 54 min | Yes |
| 5 | 6 May 1977, 11:34 am GMT+9:30 | 7 May 1977, 8:22 am GMT+9:30 | 20 hr 48 min | Yes |
| 6 | 4 Jun 1977, 7:10 pm GMT+9:30 | 5 Jun 1977, 4:23 pm GMT+9:30 | 21 hr 14 min | Yes |
| 7 | 4 Jul 1977, 3:50 am GMT+9:30 | 5 Jul 1977, 2:00 am GMT+9:30 | 22 hr 10 min | Yes |
| 8 | 2 Aug 1977, 2:35 pm GMT+9:30 | 3 Aug 1977, 2:03 pm GMT+9:30 | 23 hr 28 min | Yes |
| 9 | 1 Sept 1977, 4:09 am GMT+9:30 | 2 Sept 1977, 4:59 am GMT+9:30 | 24 hr 51 min | Yes |
| 10 | 30 Sept 1977, 8:34 pm GMT+9:30 | 1 Oct 1977, 10:31 pm GMT+9:30 | 25 hr 56 min | Yes |
| 11 | 30 Oct 1977, 4:08 pm GMT+10:30 | 31 Oct 1977, 6:38 pm GMT+10:30 | 26 hr 30 min | Yes |
| 12 | 29 Nov 1977, 11:31 am GMT+10:30 | 30 Nov 1977, 1:58 pm GMT+10:30 | 26 hr 27 min | Yes |
| 13 | 29 Dec 1977, 6:12 am GMT+10:30 | 30 Dec 1977, 8:02 am GMT+10:30 | 25 hr 50 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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