Ruling · Dyūta Pratipad · 1917

Thursday 15 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 272 minutes.

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 Thursday 15 November

Taken. The only forenoon Pratipadā reaches.

07:00 sunrisepūrvāhṇa ends 10:22
06:3607:2408:1209:0009:4810:36

202 of 202 minutes covered

Forenoon of Friday 16 November

Pratipadā is absent from pūrvāhṇa. Not taken.

07:01 sunrisepūrvāhṇa ends 10:22
06:3707:2508:1309:0109:4910:37

0 of 201 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 02:28 on Thu 15 Nov to 02:29 on Fri 16 Nov.

    1917-11-14T18:28:07Z → 1917-11-15T18:29:12Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:00–10:22 on the 15th, 07:01–10:22 on the 16th.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 202 of 202 minutes on the 15th and 0 of 201 on the 16th.

    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 16318 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1917: Thursday 15 November.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 1917 falls on Thursday 15 November. Pratipadā runs from 02:28 on Thu 15 Nov to 02:29 on Fri 16 Nov and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1917/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 15 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 15 Nov
compat-drikpanchangComparison profileThu 15 Nov
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 14thCoveredSunrise 15thCoveredRuled
Los Angeles10:28 → 10:2906:250 min06:26208 min15 Nov
Chicago12:28 → 12:2906:390 min06:40197 min15 Nov
Jersey City13:28 → 13:2906:420 min06:43198 min15 Nov
Port of Spain14:28 → 14:2906:010 min06:02233 min15 Nov
London18:28 → 18:2907:160 min07:18178 min15 Nov
Durban20:28 → 20:2904:530 min04:53272 min15 Nov
Dubai22:09 → 22:1006:160 min06:16219 min15 Nov
Delhi23:58 → 23:5906:430 min06:43215 min15 Nov
Kolkata23:58 → 23:5905:480 min05:49221 min15 Nov
Singapore01:28 → 01:2905:470 min05:48241 min15 Nov
Sydney04:28 → 04:2904:450 min04:45277 min15 Nov
Suva06:28 → 06:2905:230 min05:23193 min15 Nov
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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