Chaturthi (चतुर्थी) dates and timings in Perth for 1978
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 | 12 Jan 1978, 2:07 am GMT+8 | 12 Jan 1978, 11:58 pm GMT+8 | 21 hr 51 min | No |
| 2 | 10 Feb 1978, 4:04 pm GMT+8 | 11 Feb 1978, 3:09 pm GMT+8 | 23 hr 5 min | Yes |
| 3 | 12 Mar 1978, 7:49 am GMT+8 | 13 Mar 1978, 8:13 am GMT+8 | 24 hr 24 min | Yes |
| 4 | 11 Apr 1978, 12:33 am GMT+8 | 12 Apr 1978, 2:03 am GMT+8 | 25 hr 31 min | Yes |
| 5 | 10 May 1978, 5:24 pm GMT+8 | 11 May 1978, 7:38 pm GMT+8 | 26 hr 14 min | Yes |
| 6 | 9 Jun 1978, 9:43 am GMT+8 | 10 Jun 1978, 12:10 pm GMT+8 | 26 hr 27 min | Yes |
| 7 | 9 Jul 1978, 1:00 am GMT+8 | 10 Jul 1978, 3:08 am GMT+8 | 26 hr 8 min | Yes |
| 8 | 7 Aug 1978, 2:51 pm GMT+8 | 8 Aug 1978, 4:07 pm GMT+8 | 25 hr 16 min | Yes |
| 9 | 6 Sept 1978, 2:57 am GMT+8 | 7 Sept 1978, 2:59 am GMT+8 | 24 hr 2 min | Yes |
| 10 | 5 Oct 1978, 1:20 pm GMT+8 | 6 Oct 1978, 12:04 pm GMT+8 | 22 hr 45 min | Yes |
| 11 | 3 Nov 1978, 10:32 pm GMT+8 | 4 Nov 1978, 8:12 pm GMT+8 | 21 hr 41 min | Yes |
| 12 | 3 Dec 1978, 7:26 am GMT+8 | 4 Dec 1978, 4:29 am GMT+8 | 21 hr 2 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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