Chaturthi (चतुर्थी) dates and timings in Perth for 1917
Verified astronomical start and end times for lunar day 4 in Perth, shown in Australia/Perth.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 26 Jan 1917, 5:53 am GMT+9 | 27 Jan 1917, 2:58 am GMT+9 | 21 hr 5 min | Yes |
| 2 | 24 Feb 1917, 5:21 pm GMT+9 | 25 Feb 1917, 3:07 pm GMT+9 | 21 hr 46 min | Yes |
| 3 | 26 Mar 1917, 4:53 am GMT+8 | 27 Mar 1917, 3:49 am GMT+8 | 22 hr 56 min | Yes |
| 4 | 24 Apr 1917, 6:44 pm GMT+8 | 25 Apr 1917, 7:03 pm GMT+8 | 24 hr 20 min | Yes |
| 5 | 24 May 1917, 9:52 am GMT+8 | 25 May 1917, 11:26 am GMT+8 | 25 hr 35 min | Yes |
| 6 | 23 Jun 1917, 1:52 am GMT+8 | 24 Jun 1917, 4:12 am GMT+8 | 26 hr 20 min | Yes |
| 7 | 22 Jul 1917, 6:00 pm GMT+8 | 23 Jul 1917, 8:27 pm GMT+8 | 26 hr 28 min | Yes |
| 8 | 21 Aug 1917, 9:33 am GMT+8 | 22 Aug 1917, 11:35 am GMT+8 | 26 hr 2 min | Yes |
| 9 | 20 Sept 1917, 12:04 am GMT+8 | 21 Sept 1917, 1:17 am GMT+8 | 25 hr 13 min | Yes |
| 10 | 19 Oct 1917, 1:21 pm GMT+8 | 20 Oct 1917, 1:29 pm GMT+8 | 24 hr 8 min | Yes |
| 11 | 18 Nov 1917, 1:21 am GMT+8 | 19 Nov 1917, 12:17 am GMT+8 | 22 hr 56 min | Yes |
| 12 | 17 Dec 1917, 12:07 pm GMT+8 | 18 Dec 1917, 9:55 am GMT+8 | 21 hr 49 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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