Moonrise of Monday 18 September
Taken. The only moonrise Ṣaṣṭhī holds at.
Holds at moonrise
Ruling · Candra Ṣaṣṭhī · 2000
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 8 min 46 s.
One ghaṭī is 24 minutes. The moonrise is read as disc centre, 31′.
Moonrise of Monday 18 September
Taken. The only moonrise Ṣaṣṭhī holds at.
Holds at moonrise
Moonrise of Tuesday 19 September
Ṣaṣṭhī does not hold at moonrise. Not taken.
Absent at moonrise
Aṅga
Ṣaṣṭhī runs from 22:01 on Mon 18 Sep to 20:35 on Tue 19 Sep.
2000-09-18T17:30:38Z → 2000-09-19T16:05:14Z
Kāla
Moonrise is at 22:09 on the 18th and 22:52 on the 19th.
moonrise: disc centre, 31′
Rule
Ṣaṣṭhī must be current at moonrise. It is on the 18th and is not on the 19th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
Tie-break
Only one moonrise qualifies. No tie-break is needed.
priority: purvaviddha → only-day · margin 526 s
Ruling
Candra Ṣaṣṭhī, Tehran, 2000: Monday 18 September.
confidence: determinate
In Tehran, Candra Ṣaṣṭhī 2000 falls on Monday 18 September. Ṣaṣṭhī runs from 22:01 on Mon 18 Sep to 20:35 on Tue 19 Sep and is current at moonrise that day.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 18 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 18 Sep |
| compat-drikpanchang | Comparison profile | Mon 18 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 clock times.
| Place | Ṣaṣṭhī | Moonrise 18th | Covered | Moonrise 19th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 10:31 → 09:05 | 22:20 | holds | 23:06 | no | 18 Sep |
| Chicago | 12:31 → 11:05 | 21:59 | holds | 22:41 | no | 18 Sep |
| Jersey City | 13:31 → 12:05 | 22:06 | holds | 22:48 | no | 18 Sep |
| Port of Spain | 13:31 → 12:05 | 22:01 | holds | 22:53 | no | 18 Sep |
| London | 18:31 → 17:05 | 21:35 | holds | 22:09 | no | 18 Sep |
| Durban | 19:31 → 18:05 | 22:29 | holds | 23:32 | no | 18 Sep |
| Dubai | 21:31 → 20:05 | 21:39 | holds | 22:26 | no | 18 Sep |
| Delhi | 23:01 → 21:35 | 21:34 | no | 22:19 | no | 18 Sep |
| Kolkata | 23:01 → 21:35 | 20:56 | no | 21:43 | no | 18 Sep |
| Singapore | 01:31 → 00:05 | 22:47 | no | 23:40 | holds | 19 Sep |
| Sydney | 04:31 → 03:05 | 23:13 | no | 00:18 | holds | 19 Sep |
| Suva | 05:31 → 04:05 | 21:59 | no | 22:57 | holds | 19 Sep |