Night of Thursday 9 August
Taken. The only night Aṣṭamī reaches.
48 of 48 minutes covered
Ruling · Janmāṣṭamī (Kṛṣṇa Janmāṣṭamī) · 2012
Determinatein Datong, under the Rashtriya Panchang method. Clear of every threshold by 477 minutes.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Thursday 9 August
Taken. The only night Aṣṭamī reaches.
48 of 48 minutes covered
Night of Friday 10 August
Aṣṭamī is absent from niśītha. Not taken.
0 of 48 minutes covered
Aṅga
Aṣṭamī runs from 13:41 on Thu 9 Aug to 16:11 on Fri 10 Aug.
2012-08-09T05:40:59Z → 2012-08-10T08:11:23Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 00:08–00:56 on the 9th, 00:08–00:56 on the 10th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
Tie-break
Only one night qualifies. No tie-break is needed.
priority: paraviddha → only-day · margin 28616 s
Ruling
Janmāṣṭamī, Datong, 2012: Thursday 9 August.
confidence: determinate
In Datong, Janmāṣṭamī (Krishna Janmashtami) 2012 falls on Thursday 9 August. Aṣṭamī runs from 13:41 on Thu 9 Aug to 16:11 on Fri 10 Aug and covers all of niśītha that night.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 9 Aug |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 9 Aug |
| compat-drikpanchang | Comparison profile | Thu 9 Aug |
| No institution has a recorded ruling for Datong. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/janmashtami · ruleset 2026.3-draft
“K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103. The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.
Twelve places, west to east. Local clock times.
| Place | Aṣṭamī | Niśītha 9th | Covered | Niśītha 10th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 22:41 → 01:11 | 00:34 | 37 min | 00:34 | 0 min | 9 Aug |
| Chicago | 00:41 → 03:11 | 00:32 | 48 min | 00:32 | 0 min | 9 Aug |
| Jersey City | 01:41 → 04:11 | 00:38 | 48 min | 00:38 | 0 min | 9 Aug |
| Port of Spain | 01:41 → 04:11 | 23:47 | 48 min | 23:47 | 0 min | 9 Aug |
| London | 06:41 → 09:11 | 00:42 | 48 min | 00:42 | 0 min | 9 Aug |
| Durban | 07:41 → 10:11 | 23:37 | 48 min | 23:37 | 0 min | 9 Aug |
| Dubai | 09:41 → 12:11 | 00:00 | 48 min | 00:00 | 0 min | 9 Aug |
| Delhi | 11:11 → 13:41 | 00:03 | 48 min | 00:02 | 0 min | 9 Aug |
| Kolkata | 11:11 → 13:41 | 23:18 | 48 min | 23:18 | 0 min | 9 Aug |
| Singapore | 13:41 → 16:11 | 00:46 | 48 min | 00:46 | 0 min | 9 Aug |
| Sydney | 15:41 → 18:11 | 23:36 | 48 min | 23:36 | 0 min | 9 Aug |
| Suva | 17:41 → 20:11 | 23:48 | 48 min | 23:47 | 0 min | 9 Aug |