Chaturthi (चतुर्थी) dates and timings in Perth for 1975
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 | 16 Jan 1975, 2:17 am GMT+9 | 17 Jan 1975, 4:52 am GMT+9 | 26 hr 36 min | Yes |
| 2 | 14 Feb 1975, 9:47 pm GMT+9 | 16 Feb 1975, 12:04 am GMT+9 | 26 hr 17 min | Yes |
| 3 | 16 Mar 1975, 1:52 pm GMT+8 | 17 Mar 1975, 3:17 pm GMT+8 | 25 hr 25 min | Yes |
| 4 | 15 Apr 1975, 3:40 am GMT+8 | 16 Apr 1975, 3:51 am GMT+8 | 24 hr 11 min | Yes |
| 5 | 14 May 1975, 2:03 pm GMT+8 | 15 May 1975, 12:54 pm GMT+8 | 22 hr 51 min | Yes |
| 6 | 12 Jun 1975, 9:38 pm GMT+8 | 13 Jun 1975, 7:20 pm GMT+8 | 21 hr 42 min | Yes |
| 7 | 12 Jul 1975, 3:33 am GMT+8 | 13 Jul 1975, 12:32 am GMT+8 | 20 hr 58 min | Yes |
| 8 | 10 Aug 1975, 9:16 am GMT+8 | 11 Aug 1975, 6:01 am GMT+8 | 20 hr 45 min | Yes |
| 9 | 8 Sept 1975, 4:12 pm GMT+8 | 9 Sept 1975, 1:13 pm GMT+8 | 21 hr 1 min | Yes |
| 10 | 8 Oct 1975, 1:29 am GMT+8 | 8 Oct 1975, 11:13 pm GMT+8 | 21 hr 44 min | No |
| 11 | 6 Nov 1975, 1:46 pm GMT+8 | 7 Nov 1975, 12:34 pm GMT+8 | 22 hr 47 min | Yes |
| 12 | 6 Dec 1975, 5:07 am GMT+8 | 7 Dec 1975, 5:10 am GMT+8 | 24 hr 3 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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