Ruling · Dyūta Pratipad · 1977

Saturday 12 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 80 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 Friday 11 November

Pratipadā is absent from pūrvāhṇa. Not taken.

06:56 sunrisepūrvāhṇa ends 10:20
06:3207:2008:0808:5609:4410:32

0 of 204 minutes covered

Forenoon of Saturday 12 November

Taken. The only forenoon Pratipadā reaches.

06:57 sunrisepūrvāhṇa ends 10:20
06:3307:2108:0908:5709:4510:33

203 of 203 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 15:09 on Fri 11 Nov to 11:41 on Sat 12 Nov.

    1977-11-11T07:09:22Z → 1977-11-12T03:40:30Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:56–10:20 on the 11th, 06:57–10:20 on the 12th.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 0 of 204 minutes on the 11th and 203 of 203 on the 12th.

    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 4803 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1977: Saturday 12 November.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 1977 falls on Saturday 12 November. Pratipadā runs from 15:09 on Fri 11 Nov to 11:41 on Sat 12 Nov and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1977/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 12 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 12 Nov
compat-drikpanchangComparison profileSat 12 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 11thCoveredSunrise 12thCoveredRuled
Los Angeles23:09 → 19:4106:22210 min06:230 min11 Nov
Chicago01:09 → 21:4106:36199 min06:370 min11 Nov
Jersey City02:09 → 22:4106:39201 min06:400 min11 Nov
Port of Spain03:09 → 23:4106:00233 min06:010 min11 Nov
London07:09 → 03:4107:12182 min07:140 min11 Nov
Durban09:09 → 05:4104:5516 min04:5446 min12 Nov
Dubai11:09 → 07:4106:330 min06:3367 min12 Nov
Delhi12:39 → 09:1106:410 min06:41149 min12 Nov
Kolkata12:39 → 09:1105:470 min05:47203 min12 Nov
Singapore14:39 → 11:1106:170 min06:17241 min12 Nov
Sydney18:09 → 14:4105:470 min05:46276 min12 Nov
Suva19:09 → 15:4105:230 min05:23258 min12 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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