Ruling · Dyūta Pratipad · 1972

Tuesday 7 November

Boundaryin Baoding, under the Rashtriya Panchang method. Both forenoons qualify and the rule does not say which to take. Say “contested”.

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 Monday 6 November

Qualifies with 57 of 207 minutes. Not taken.

06:51 sunrisepūrvāhṇa ends 10:18
Pratipadā begins 09:21:17
06:2707:1508:0308:5109:3910:27

57 of 207 minutes covered, the last 57

Forenoon of Tuesday 7 November

Taken. Both forenoons qualify; the rule is silent, and this one is covered longer.

06:52 sunrisepūrvāhṇa ends 10:18
06:2807:1608:0408:5209:4010:28

207 of 207 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 09:21 on Mon 6 Nov to 11:52 on Tue 7 Nov.

    1972-11-06T01:21:17Z → 1972-11-07T03:51:56Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:51–10:18 on the 6th, 06:52–10:18 on the 7th.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 57 of 207 minutes on the 6th and 207 of 207 on the 7th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 3400 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1972: Tuesday 7 November.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Dyūta Pratipad 1972 falls on Tuesday 7 November. Pratipadā runs from 09:21 on Mon 6 Nov to 11:52 on Tue 7 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 57 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/baoding/festivals/1972/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 7 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 7 Nov
compat-drikpanchangComparison profileTue 7 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 6thCoveredSunrise 7thCoveredRuled
Los Angeles17:21 → 19:5206:18212 min06:190 min6 Nov
Chicago19:21 → 21:5206:30203 min06:310 min6 Nov
Jersey City20:21 → 22:5206:33204 min06:340 min6 Nov
Port of Spain21:21 → 23:5205:59234 min05:590 min6 Nov
London01:21 → 03:5207:03187 min07:050 min6 Nov
Durban03:21 → 05:5204:58268 min04:5755 min6 Nov
Dubai05:21 → 07:5206:30222 min06:3082 min6 Nov
Delhi06:51 → 09:2206:37204 min06:38164 min6 Nov
Kolkata06:51 → 09:2205:44157 min05:45217 min7 Nov
Singapore08:51 → 11:2206:1686 min06:17241 min7 Nov
Sydney12:21 → 14:5205:510 min05:50273 min7 Nov
Suva13:21 → 15:5205:250 min05:25257 min7 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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