Night of Wednesday 8 August
Qualifies with 39 of 48 minutes. Not taken.
niśītha begins 00:32 01:20 niśītha ends
Aṣṭamī begins 00:40:59
23:4400:0800:3200:5601:2001:4402:08
39 of 48 minutes covered, the last 39
Ruling · Janmāṣṭamī · 2012
Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 8 min 41 s.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Wednesday 8 August
Qualifies with 39 of 48 minutes. Not taken.
39 of 48 minutes covered, the last 39
Night of Thursday 9 August
Taken. Both nights qualify; the rule takes the second.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 00:41 on Thu 9 Aug to 03:11 on Fri 10 Aug.
2012-08-09T05:40:59Z → 2012-08-10T08:11:23Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 00:32–01:20 on the 8th, 00:32–01:20 on the 9th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during niśītha. It covers 39 of 48 minutes on the 8th and 48 of 48 on the 9th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
Tie-break
Both nights qualify. Paraviddhā: the second is taken.
priority: paraviddha → paraviddha · margin 521 s
Ruling
Janmāṣṭamī, Chicago, 2012: Thursday 9 August.
confidence: determinate
In Chicago, Janmāṣṭamī 2012 falls on Thursday 9 August. Aṣṭamī runs from 00:41 on Thu 9 Aug to 03:11 on Fri 10 Aug and covers all of niśītha that night. It also reaches the previous night for 39 minutes; by the rule the second night is taken.
| 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 Chicago. | ||
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 |