Ruling · Dyūta Pratipad · 2012

Wednesday 14 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 33 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two forenoons

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

Forenoon of Wednesday 14 November

Taken. The only forenoon Pratipadā reaches.

06:41 sunrisepūrvāhṇa ends 09:50
06:1707:0507:5308:4109:2910:17

189 of 189 minutes covered

Forenoon of Thursday 15 November

Pratipadā is absent from pūrvāhṇa. Not taken.

06:42 sunrisepūrvāhṇa ends 09:50
06:1807:0607:5408:4209:3010:18

0 of 188 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 06:08 on Wed 14 Nov to 02:26 on Thu 15 Nov.

    2012-11-13T22:08:00Z → 2012-11-14T18:26:25Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:41–09:50 on the 14th, 06:42–09:50 on the 15th.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 189 of 189 minutes on the 14th and 0 of 188 on the 15th.

    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 1976 s

  5. 05

    Ruling

    Dyūta Pratipad, Daqing, 2012: Wednesday 14 November.

    confidence: determinate

Say it like this

In Daqing, Dyūta Pratipad 2012 falls on Wednesday 14 November. Pratipadā runs from 06:08 on Wed 14 Nov to 02:26 on Thu 15 Nov and covers all of pūrvāhṇa that forenoon.

ahargana.org/daqing/festivals/2012/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 14 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 14 Nov
compat-drikpanchangComparison profileWed 14 Nov
No institution has a recorded ruling for Daqing.

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 13thCoveredSunrise 14thCoveredRuled
Los Angeles14:08 → 10:2606:250 min06:25208 min14 Nov
Chicago16:08 → 12:2606:390 min06:40197 min14 Nov
Jersey City17:08 → 13:2606:420 min06:43199 min14 Nov
Port of Spain18:08 → 14:2606:010 min06:02233 min14 Nov
London22:08 → 18:2607:160 min07:18178 min14 Nov
Durban00:08 → 20:2604:530 min04:53272 min14 Nov
Dubai02:08 → 22:2606:340 min06:35219 min14 Nov
Delhi03:38 → 23:5606:430 min06:43215 min14 Nov
Kolkata03:38 → 23:5605:480 min05:49221 min14 Nov
Singapore06:08 → 02:2606:470 min06:47241 min14 Nov
Sydney09:08 → 05:2605:450 min05:4473 min14 Nov
Suva11:08 → 07:2606:230 min06:220 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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