Ruling · Dyūta Pratipad · 2004

Saturday 13 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 492 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 Saturday 13 November

Taken. The only forenoon Pratipadā reaches.

06:39 sunrisepūrvāhṇa ends 09:49
06:1507:0307:5108:3909:2710:15

190 of 190 minutes covered

Forenoon of Sunday 14 November

Pratipadā is absent from pūrvāhṇa. Not taken.

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

0 of 189 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 22:27 on Fri 12 Nov to 19:32 on Sat 13 Nov.

    2004-11-12T14:27:11Z → 2004-11-13T11:31:58Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:39–09:49 on the 13th, 06:41–09:50 on the 14th.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 190 of 190 minutes on the 13th and 0 of 189 on the 14th.

    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 29536 s

  5. 05

    Ruling

    Dyūta Pratipad, Daqing, 2004: Saturday 13 November.

    confidence: determinate

Say it like this

In Daqing, Dyūta Pratipad 2004 falls on Saturday 13 November. Pratipadā runs from 22:27 on Fri 12 Nov to 19:32 on Sat 13 Nov and covers all of pūrvāhṇa that forenoon.

ahargana.org/daqing/festivals/2004/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 13 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 13 Nov
compat-drikpanchangComparison profileSat 13 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 12thCoveredSunrise 13thCoveredRuled
Los Angeles06:27 → 03:3206:24205 min06:250 min12 Nov
Chicago08:27 → 05:3206:3788 min06:390 min12 Nov
Jersey City09:27 → 06:3206:4033 min06:420 min12 Nov
Port of Spain10:27 → 07:3206:010 min06:0191 min13 Nov
London14:27 → 11:3207:140 min07:16179 min13 Nov
Durban16:27 → 13:3204:540 min04:53271 min13 Nov
Dubai18:27 → 15:3206:340 min06:34219 min13 Nov
Delhi19:57 → 17:0206:420 min06:42215 min13 Nov
Kolkata19:57 → 17:0205:480 min05:48222 min13 Nov
Singapore22:27 → 19:3206:470 min06:47241 min13 Nov
Sydney01:27 → 22:3205:460 min05:45276 min13 Nov
Suva02:27 → 23:3205:230 min05:23259 min13 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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