Night of Thursday 14 August
Aṣṭamī is absent from niśītha. Not taken.
0 of 48 minutes covered
Ruling · Janmāṣṭamī (Kṛṣṇa Janmāṣṭamī) · 2025
Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 586 minutes.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Thursday 14 August
Aṣṭamī is absent from niśītha. Not taken.
0 of 48 minutes covered
Night of Friday 15 August
Taken. The only night Aṣṭamī reaches.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 13:20 on Fri 15 Aug to 11:05 on Sat 16 Aug.
2025-08-15T18:20:19Z → 2025-08-16T16:05:03Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 00:31–01:19 on the 14th, 00:31–01:19 on the 15th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.
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 35154 s
Ruling
Janmāṣṭamī, Chicago, 2025: Friday 15 August.
confidence: determinate
In Chicago, Janmāṣṭamī (Krishna Janmashtami) 2025 falls on Friday 15 August. Aṣṭamī runs from 13:20 on Fri 15 Aug to 11:05 on Sat 16 Aug and covers all of niśītha that night.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Fri 15 Aug |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 15 Aug |
| compat-drikpanchang | Comparison profile | Fri 15 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 15th | Covered | Niśītha 16th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 11:20 → 09:05 | 00:33 | 48 min | 00:33 | 0 min | 15 Aug |
| Chicago | 13:20 → 11:05 | 00:31 | 48 min | 00:31 | 0 min | 15 Aug |
| Jersey City | 14:20 → 12:05 | 00:37 | 48 min | 00:37 | 0 min | 15 Aug |
| Port of Spain | 14:20 → 12:05 | 23:46 | 48 min | 23:46 | 0 min | 15 Aug |
| London | 19:20 → 17:05 | 00:41 | 48 min | 00:41 | 0 min | 15 Aug |
| Durban | 20:20 → 18:05 | 23:36 | 48 min | 23:36 | 0 min | 15 Aug |
| Dubai | 22:20 → 20:05 | 23:59 | 48 min | 23:59 | 0 min | 15 Aug |
| Delhi | 23:50 → 21:35 | 00:02 | 48 min | 00:01 | 0 min | 15 Aug |
| Kolkata | 23:50 → 21:35 | 23:17 | 15 min | 23:17 | 0 min | 15 Aug |
| Singapore | 02:20 → 00:05 | 00:45 | 0 min | 00:45 | 0 min | 16 Aug |
| Sydney | 04:20 → 02:05 | 23:35 | 0 min | 23:35 | 48 min | 16 Aug |
| Suva | 06:20 → 04:05 | 23:47 | 0 min | 23:46 | 48 min | 16 Aug |