Ruling · Dyūta Pratipad · 1966

Sunday 13 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 512 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 Sunday 13 November

Taken. The only forenoon Pratipadā reaches.

06:58 sunrisepūrvāhṇa ends 10:21
06:3407:2208:1008:5809:4610:34

203 of 203 minutes covered

Forenoon of Monday 14 November

Pratipadā is absent from pūrvāhṇa. Not taken.

06:59 sunrisepūrvāhṇa ends 10:21
06:3507:2308:1108:5909:4710:35

0 of 202 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 22:26 on Sat 12 Nov to 20:06 on Sun 13 Nov.

    1966-11-12T14:26:19Z → 1966-11-13T12:06:06Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:58–10:21 on the 13th, 06:59–10:21 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 203 of 203 minutes on the 13th and 0 of 202 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 30695 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1966: Sunday 13 November.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 1966 falls on Sunday 13 November. Pratipadā runs from 22:26 on Sat 12 Nov to 20:06 on Sun 13 Nov and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1966/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 13 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 13 Nov
compat-drikpanchangComparison profileSun 13 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 12thCoveredSunrise 13thCoveredRuled
Los Angeles06:26 → 04:0606:23206 min06:240 min12 Nov
Chicago08:26 → 06:0606:3689 min06:380 min12 Nov
Jersey City09:26 → 07:0606:4034 min06:4125 min12 Nov
Port of Spain10:26 → 08:0606:010 min06:01125 min13 Nov
London14:26 → 12:0607:130 min07:15180 min13 Nov
Durban16:26 → 14:0604:540 min04:54271 min13 Nov
Dubai18:26 → 16:0606:330 min06:34219 min13 Nov
Delhi19:56 → 17:3606:410 min06:42216 min13 Nov
Kolkata19:56 → 17:3605:470 min05:48222 min13 Nov
Singapore21:56 → 19:3606:170 min06:17241 min13 Nov
Sydney00:26 → 22:0604:460 min04:46276 min13 Nov
Suva02:26 → 00:0605:230 min05:23258 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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