Night of Tuesday 21 August
Taken. The only night Aṣṭamī reaches.
niśītha begins 23:19 00:07 niśītha ends
22:3122:5523:1923:4300:0700:3100:55
48 of 48 minutes covered
Ruling · Janmāṣṭamī · 2057
Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 8 min 58 s.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Tuesday 21 August
Taken. The only night Aṣṭamī reaches.
48 of 48 minutes covered
Night of Wednesday 22 August
Aṣṭamī is absent from niśītha. Not taken.
0 of 48 minutes covered
Aṅga
Aṣṭamī runs from 21:02 on Tue 21 Aug to 23:10 on Wed 22 Aug.
2057-08-21T13:01:34Z → 2057-08-22T15:10:14Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:19–00:07 on the 21st, 23:19–00:07 on the 22nd.
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 21st and 0 of 48 on the 22nd.
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 538 s
Ruling
Janmāṣṭamī, Daqing, 2057: Tuesday 21 August.
confidence: determinate
In Daqing, Janmāṣṭamī 2057 falls on Tuesday 21 August. Aṣṭamī runs from 21:02 on Tue 21 Aug to 23:10 on Wed 22 Aug and covers all of niśītha that night.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 21 Aug |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 21 Aug |
| compat-drikpanchang | Comparison profile | Tue 21 Aug |
| No institution has a recorded ruling for Daqing. | ||
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 21st | Covered | Niśītha 22nd | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 06:02 → 08:10 | 00:32 | 48 min | 00:32 | 0 min | 21 Aug |
| Chicago | 08:02 → 10:10 | 00:30 | 48 min | 00:30 | 0 min | 21 Aug |
| Jersey City | 09:02 → 11:10 | 00:36 | 48 min | 00:35 | 0 min | 21 Aug |
| Port of Spain | 09:02 → 11:10 | 23:45 | 48 min | 23:45 | 0 min | 21 Aug |
| London | 14:02 → 16:10 | 00:40 | 48 min | 00:40 | 0 min | 21 Aug |
| Durban | 15:02 → 17:10 | 23:35 | 48 min | 23:34 | 0 min | 21 Aug |
| Dubai | 17:02 → 19:10 | 23:58 | 48 min | 23:58 | 0 min | 21 Aug |
| Delhi | 18:32 → 20:40 | 00:00 | 48 min | 00:00 | 0 min | 21 Aug |
| Kolkata | 18:32 → 20:40 | 23:16 | 48 min | 23:16 | 0 min | 21 Aug |
| Singapore | 21:02 → 23:10 | 00:44 | 48 min | 00:43 | 0 min | 21 Aug |
| Sydney | 23:02 → 01:10 | 23:34 | 48 min | 23:34 | 48 min | 22 Aug |
| Suva | 01:02 → 03:10 | 23:45 | 0 min | 23:45 | 48 min | 22 Aug |