Chaturthi (चतुर्थी) dates and timings in Perth for 1966
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 | 25 Jan 1966, 7:18 am GMT+8 | 26 Jan 1966, 9:48 am GMT+8 | 26 hr 30 min | Yes |
| 2 | 24 Feb 1966, 1:47 am GMT+8 | 25 Feb 1966, 3:39 am GMT+8 | 25 hr 52 min | Yes |
| 3 | 25 Mar 1966, 5:20 pm GMT+8 | 26 Mar 1966, 6:06 pm GMT+8 | 24 hr 46 min | Yes |
| 4 | 24 Apr 1966, 5:26 am GMT+8 | 25 Apr 1966, 4:53 am GMT+8 | 23 hr 26 min | Yes |
| 5 | 23 May 1966, 2:20 pm GMT+8 | 24 May 1966, 12:30 pm GMT+8 | 22 hr 11 min | Yes |
| 6 | 21 Jun 1966, 8:55 pm GMT+8 | 22 Jun 1966, 6:09 pm GMT+8 | 21 hr 14 min | Yes |
| 7 | 21 Jul 1966, 2:32 am GMT+8 | 21 Jul 1966, 11:18 pm GMT+8 | 20 hr 46 min | No |
| 8 | 19 Aug 1966, 8:39 am GMT+8 | 20 Aug 1966, 5:28 am GMT+8 | 20 hr 50 min | Yes |
| 9 | 17 Sept 1966, 4:34 pm GMT+8 | 18 Sept 1966, 1:56 pm GMT+8 | 21 hr 22 min | Yes |
| 10 | 17 Oct 1966, 3:14 am GMT+8 | 18 Oct 1966, 1:31 am GMT+8 | 22 hr 17 min | Yes |
| 11 | 15 Nov 1966, 5:01 pm GMT+8 | 16 Nov 1966, 4:29 pm GMT+8 | 23 hr 28 min | Yes |
| 12 | 15 Dec 1966, 9:44 am GMT+8 | 16 Dec 1966, 10:30 am GMT+8 | 24 hr 46 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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