Forenoon of Tuesday 21 October
Taken. Both forenoons qualify; the rule is silent, and this one is covered longer.
07:11 sunrisepūrvāhṇa ends 10:47
Pratipadā begins 07:25:10
06:4707:3508:2309:1109:5910:47
202 of 216 minutes covered, the last 202
Ruling · Dyūta Pratipad · 2025
Boundaryin Chicago, under the Rashtriya Panchang method. Both forenoons qualify and the rule does not say which to take. Say “contested”.
One ghaṭī is 24 minutes. Pūrvāhṇa is first 5 of 15 day muhūrtas.
Forenoon of Tuesday 21 October
Taken. Both forenoons qualify; the rule is silent, and this one is covered longer.
202 of 216 minutes covered, the last 202
Forenoon of Wednesday 22 October
Qualifies with 156 of 215 minutes. Not taken.
156 of 215 minutes covered, the first 156
Aṅga
Pratipadā runs from 07:25 on Tue 21 Oct to 09:47 on Wed 22 Oct.
2025-10-21T12:25:10Z → 2025-10-22T14:47:14Z
Kāla
Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:11–10:47 on the 21st, 07:12–10:47 on the 22nd.
purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pratipadā must be present during pūrvāhṇa. It covers 202 of 216 minutes on the 21st and 156 of 215 on the 22nd.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.
priority: unstated → greater-coverage · margin 878 s
Ruling
Dyūta Pratipad, Chicago, 2025: Tuesday 21 October.
confidence: boundary (tie-break-unstated)
In Chicago, Dyūta Pratipad 2025 falls on Tuesday 21 October. Pratipadā runs from 07:25 on Tue 21 Oct to 09:47 on Wed 22 Oct and covers 202 of 216 minutes of pūrvāhṇa that forenoon. It also reaches the next forenoon for 156 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 21 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 21 Oct |
| compat-drikpanchang | Comparison profile | Tue 21 Oct |
| No institution has a recorded ruling for Chicago. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/dyuta-pratipad · ruleset 2026.3-draft
“S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Pratipadā | Sunrise 21st | Covered | Sunrise 22nd | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 05:25 → 07:47 | 07:04 | 222 min | 07:04 | 43 min | 21 Oct |
| Chicago | 07:25 → 09:47 | 07:11 | 202 min | 07:12 | 156 min | 21 Oct |
| Jersey City | 08:25 → 10:47 | 07:15 | 147 min | 07:16 | 211 min | 22 Oct |
| Port of Spain | 08:25 → 10:47 | 05:56 | 87 min | 05:56 | 236 min | 22 Oct |
| London | 13:25 → 15:47 | 07:35 | 0 min | 07:37 | 205 min | 22 Oct |
| Durban | 14:25 → 16:47 | 05:12 | 0 min | 05:11 | 260 min | 22 Oct |
| Dubai | 16:25 → 18:47 | 06:20 | 0 min | 06:21 | 228 min | 22 Oct |
| Delhi | 17:55 → 20:17 | 06:26 | 0 min | 06:26 | 226 min | 22 Oct |
| Kolkata | 17:55 → 20:17 | 05:36 | 0 min | 05:36 | 230 min | 22 Oct |
| Singapore | 20:25 → 22:47 | 06:47 | 0 min | 06:47 | 241 min | 22 Oct |
| Sydney | 23:25 → 01:47 | 06:07 | 0 min | 06:06 | 263 min | 22 Oct |
| Suva | 00:25 → 02:47 | 05:34 | 0 min | 05:33 | 252 min | 22 Oct |