Chaturthi (चतुर्थी) dates and timings in Perth for 1975
Verified astronomical start and end times for lunar day 19 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 1975, 3:21 am GMT+9 | 2 Jan 1975, 12:13 am GMT+9 | 20 hr 52 min | Yes |
| 2 | 30 Jan 1975, 1:00 pm GMT+9 | 31 Jan 1975, 9:47 am GMT+9 | 20 hr 47 min | Yes |
| 3 | 28 Feb 1975, 11:19 pm GMT+9 | 1 Mar 1975, 8:37 pm GMT+9 | 21 hr 18 min | Yes |
| 4 | 30 Mar 1975, 9:45 am GMT+8 | 31 Mar 1975, 8:02 am GMT+8 | 22 hr 17 min | Yes |
| 5 | 28 Apr 1975, 10:25 pm GMT+8 | 29 Apr 1975, 9:54 pm GMT+8 | 23 hr 30 min | Yes |
| 6 | 28 May 1975, 12:14 pm GMT+8 | 29 May 1975, 12:55 pm GMT+8 | 24 hr 41 min | Yes |
| 7 | 27 Jun 1975, 3:02 am GMT+8 | 28 Jun 1975, 4:44 am GMT+8 | 25 hr 41 min | Yes |
| 8 | 26 Jul 1975, 6:40 pm GMT+8 | 27 Jul 1975, 9:00 pm GMT+8 | 26 hr 20 min | Yes |
| 9 | 25 Aug 1975, 10:51 am GMT+8 | 26 Aug 1975, 1:19 pm GMT+8 | 26 hr 28 min | Yes |
| 10 | 24 Sept 1975, 3:00 am GMT+8 | 25 Sept 1975, 4:59 am GMT+8 | 25 hr 59 min | Yes |
| 11 | 23 Oct 1975, 6:16 pm GMT+8 | 24 Oct 1975, 7:11 pm GMT+8 | 24 hr 56 min | Yes |
| 12 | 22 Nov 1975, 7:51 am GMT+8 | 23 Nov 1975, 7:26 am GMT+8 | 23 hr 34 min | Yes |
| 13 | 21 Dec 1975, 7:30 pm GMT+8 | 22 Dec 1975, 5:48 pm GMT+8 | 22 hr 17 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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