Ruling · Dyūta Pratipad · 2011

Thursday 27 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 164 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 27 October

Taken. The only forenoon Pratipadā reaches.

06:39 sunrisepūrvāhṇa ends 10:14
06:1507:0307:5108:3909:2710:15

215 of 215 minutes covered

Forenoon of Friday 28 October

Pratipadā is absent from pūrvāhṇa. Not taken.

06:40 sunrisepūrvāhṇa ends 10:15
06:1607:0407:5208:4009:2810:16

0 of 214 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 03:56 on Thu 27 Oct to 00:11 on Fri 28 Oct.

    2011-10-26T19:55:48Z → 2011-10-27T16:11:22Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:39–10:14 on the 27th, 06:40–10:15 on the 28th.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 215 of 215 minutes on the 27th and 0 of 214 on the 28th.

    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 9813 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 2011: Thursday 27 October.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 2011 falls on Thursday 27 October. Pratipadā runs from 03:56 on Thu 27 Oct to 00:11 on Fri 28 Oct and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/2011/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 27 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 27 Oct
compat-drikpanchangComparison profileThu 27 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 26thCoveredSunrise 27thCoveredRuled
Los Angeles12:56 → 09:1107:070 min07:08123 min27 Oct
Chicago14:56 → 11:1107:160 min07:17212 min27 Oct
Jersey City15:56 → 12:1107:200 min07:21213 min27 Oct
Port of Spain15:56 → 12:1105:560 min05:56236 min27 Oct
London20:56 → 17:1107:430 min07:45199 min27 Oct
Durban21:56 → 18:1105:070 min05:07262 min27 Oct
Dubai23:56 → 20:1106:230 min06:23226 min27 Oct
Delhi01:26 → 21:4106:290 min06:29224 min27 Oct
Kolkata01:26 → 21:4105:380 min05:38228 min27 Oct
Singapore03:56 → 00:1106:470 min06:47241 min27 Oct
Sydney06:56 → 03:1106:020 min06:01211 min27 Oct
Suva08:56 → 05:1106:310 min06:30108 min27 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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