Ruling · Dyūta Pratipad · 1995

Wednesday 25 October

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 3 min 08 s away. Say “contested”.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two forenoons

One ghaṭī is 24 minutes. Pūrvāhṇa is first 5 of 15 day muhūrtas.

Forenoon of Tuesday 24 October

Pratipadā is absent from pūrvāhṇa. Not taken.

06:36 sunrisepūrvāhṇa ends 10:13
06:1207:0007:4808:3609:2410:12

0 of 217 minutes covered

Forenoon of Wednesday 25 October

Taken. The only forenoon Pratipadā reaches.

06:37 sunrisepūrvāhṇa ends 10:14
Pratipadā ends 10:10:36
06:1307:0107:4908:3709:2510:13

214 of 217 minutes covered, the first 214

Pratipadā presentPūrvāhṇa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 12:36 on Tue 24 Oct to 10:11 on Wed 25 Oct.

    1995-10-24T04:36:13Z → 1995-10-25T02:10:36Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:36–10:13 on the 24th, 06:37–10:14 on the 25th.

    purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 0 of 217 minutes on the 24th and 214 of 217 on the 25th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one forenoon qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 188 s < 300 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1995: Wednesday 25 October.

    confidence: boundary (margin)

Say it like this

In Baoding, Dyūta Pratipad 1995 falls on Wednesday 25 October. Pratipadā runs from 12:36 on Tue 24 Oct to 10:11 on Wed 25 Oct and covers 214 of 217 minutes of pūrvāhṇa that forenoon. It is 3 min 08 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1995/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 25 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 25 Oct
compat-drikpanchangComparison profileWed 25 Oct
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/dyuta-pratipad · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Pratipadā
Kāla
Pūrvāhṇa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 104

“S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePratipadāSunrise 24thCoveredSunrise 25thCoveredRuled
Los Angeles21:36 → 19:1107:06221 min07:060 min24 Oct
Chicago23:36 → 21:1107:13214 min07:140 min24 Oct
Jersey City00:36 → 22:1107:17215 min07:180 min24 Oct
Port of Spain00:36 → 22:1105:56236 min05:560 min24 Oct
London04:36 → 02:1106:39203 min06:410 min24 Oct
Durban06:36 → 04:1105:10174 min05:090 min24 Oct
Dubai08:36 → 06:1106:2193 min06:220 min24 Oct
Delhi10:06 → 07:4106:276 min06:2873 min25 Oct
Kolkata10:06 → 07:4105:370 min05:37123 min25 Oct
Singapore12:36 → 10:1106:470 min06:47204 min25 Oct
Sydney14:36 → 12:1105:040 min05:03264 min25 Oct
Suva16:36 → 14:1105:320 min05:32253 min25 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
dyuta-pratipad@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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