Chaturthi (चतुर्थी) dates and timings in Perth for 1979
Verified astronomical start and end times for lunar day 4 in Perth, shown in Australia/Perth.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 1 Jan 1979, 4:58 pm GMT+8 | 2 Jan 1979, 1:52 pm GMT+8 | 20 hr 54 min | Yes |
| 2 | 31 Jan 1979, 3:38 am GMT+8 | 1 Feb 1979, 12:53 am GMT+8 | 21 hr 15 min | Yes |
| 3 | 1 Mar 1979, 3:31 pm GMT+8 | 2 Mar 1979, 1:29 pm GMT+8 | 21 hr 58 min | Yes |
| 4 | 31 Mar 1979, 4:23 am GMT+8 | 1 Apr 1979, 3:23 am GMT+8 | 23 hr 1 min | Yes |
| 5 | 29 Apr 1979, 6:09 pm GMT+8 | 30 Apr 1979, 6:25 pm GMT+8 | 24 hr 16 min | Yes |
| 6 | 29 May 1979, 8:54 am GMT+8 | 30 May 1979, 10:24 am GMT+8 | 25 hr 30 min | Yes |
| 7 | 28 Jun 1979, 12:37 am GMT+8 | 29 Jun 1979, 3:00 am GMT+8 | 26 hr 23 min | Yes |
| 8 | 27 Jul 1979, 4:52 pm GMT+8 | 28 Jul 1979, 7:29 pm GMT+8 | 26 hr 37 min | Yes |
| 9 | 26 Aug 1979, 8:48 am GMT+8 | 27 Aug 1979, 10:56 am GMT+8 | 26 hr 7 min | Yes |
| 10 | 24 Sept 1979, 11:32 pm GMT+8 | 26 Sept 1979, 12:39 am GMT+8 | 25 hr 7 min | Yes |
| 11 | 24 Oct 1979, 12:38 pm GMT+8 | 25 Oct 1979, 12:32 pm GMT+8 | 23 hr 54 min | Yes |
| 12 | 23 Nov 1979, 12:12 am GMT+8 | 23 Nov 1979, 10:57 pm GMT+8 | 22 hr 45 min | No |
| 13 | 22 Dec 1979, 10:44 am GMT+8 | 23 Dec 1979, 8:33 am GMT+8 | 21 hr 48 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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