Chaturthi (चतुर्थी) dates and timings in Perth for 1945
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 | 17 Jan 1945, 6:33 am GMT+8 | 18 Jan 1945, 4:00 am GMT+8 | 21 hr 28 min | Yes |
| 2 | 15 Feb 1945, 3:52 pm GMT+8 | 16 Feb 1945, 12:43 pm GMT+8 | 20 hr 51 min | Yes |
| 3 | 17 Mar 1945, 12:40 am GMT+8 | 17 Mar 1945, 9:29 pm GMT+8 | 20 hr 49 min | No |
| 4 | 15 Apr 1945, 9:42 am GMT+8 | 16 Apr 1945, 7:03 am GMT+8 | 21 hr 21 min | Yes |
| 5 | 14 May 1945, 7:38 pm GMT+8 | 15 May 1945, 5:57 pm GMT+8 | 22 hr 18 min | Yes |
| 6 | 13 Jun 1945, 6:58 am GMT+8 | 14 Jun 1945, 6:27 am GMT+8 | 23 hr 29 min | Yes |
| 7 | 12 Jul 1945, 7:56 pm GMT+8 | 13 Jul 1945, 8:37 pm GMT+8 | 24 hr 40 min | Yes |
| 8 | 11 Aug 1945, 10:41 am GMT+8 | 12 Aug 1945, 12:23 pm GMT+8 | 25 hr 43 min | Yes |
| 9 | 10 Sept 1945, 3:06 am GMT+8 | 11 Sept 1945, 5:31 am GMT+8 | 26 hr 25 min | Yes |
| 10 | 9 Oct 1945, 8:45 pm GMT+8 | 10 Oct 1945, 11:20 pm GMT+8 | 26 hr 35 min | Yes |
| 11 | 8 Nov 1945, 2:38 pm GMT+8 | 9 Nov 1945, 4:41 pm GMT+8 | 26 hr 3 min | Yes |
| 12 | 8 Dec 1945, 7:19 am GMT+8 | 9 Dec 1945, 8:14 am GMT+8 | 24 hr 54 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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