Moonrise of Monday 17 September
Taken. The only moonrise Ṣaṣṭhī holds at.
Holds at moonrise
Ruling · 1973 · Tehran
Monday 17 September1973 · Tehran, Iran
Determinatemargin 503 min
In Tehran, under the Rashtriya Panchang method. Clear of every threshold by 503 minutes.
One ghaṭī is 24 minutes
The moonrise is read as disc centre, 31′.
Taken. The only moonrise Ṣaṣṭhī holds at.
Holds at moonrise
Ṣaṣṭhī does not hold at moonrise. Not taken.
Absent at moonrise
Ṣaṣṭhī runs from 12:33 on Mon 17 Sep to 10:40 on Tue 18 Sep.
1973-09-17T09:03:20Z → 1973-09-18T07:10:19ZMoonrise is at 20:56 on the 17th and 21:50 on the 18th.
moonrise: disc centre, 31′Ṣaṣṭhī must be current at moonrise. It is on the 17th and is not on the 18th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103Only one moonrise qualifies. No tie-break is needed.
priority: purvaviddha → only-day · margin 30155 sCandra Ṣaṣṭhī, Tehran, 1973: Monday 17 September.
confidence: determinateIn Tehran, Candra Ṣaṣṭhī 1973 falls on Monday 17 September. Ṣaṣṭhī runs from 12:33 on Mon 17 Sep to 10:40 on Tue 18 Sep and is current at moonrise that day.
never edited to agree
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 17 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 17 Sep |
| compat-drikpanchang | Comparison profile | Mon 17 Sep |
| No institution has a recorded ruling for Tehran. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/chandra-shashthi · ruleset 2026.3-draft
K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day).Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.
twelve places, west to east · local clocks
| Place | Ṣaṣṭhī | Moonrise 17th | Covered | Moonrise 18th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 02:03 → 00:10 | 22:14 | holds | 23:12 | no | 17 Sep |
| Chicago | 04:03 → 02:10 | 21:43 | holds | 22:39 | no | 17 Sep |
| Jersey City | 05:03 → 03:10 | 21:51 | holds | 22:47 | no | 17 Sep |
| Port of Spain | 05:03 → 03:10 | 22:09 | holds | 23:08 | no | 17 Sep |
| London | 10:03 → 08:10 | 21:01 | holds | 21:51 | no | 17 Sep |
| Durban | 11:03 → 09:10 | 23:03 | holds | 00:06 | no | 17 Sep |
| Dubai | 13:03 → 11:10 | 21:35 | holds | 22:32 | no | 17 Sep |
| Delhi | 14:33 → 12:40 | 21:26 | holds | 22:22 | no | 17 Sep |
| Kolkata | 14:33 → 12:40 | 20:53 | holds | 21:50 | no | 17 Sep |
| Singapore | 16:33 → 14:40 | 22:28 | holds | 23:27 | no | 17 Sep |
| Sydney | 19:03 → 17:10 | 22:50 | holds | 23:55 | no | 17 Sep |
| Suva | 21:03 → 19:10 | 22:22 | holds | 23:24 | no | 17 Sep |