Ruling · Dyūta Pratipad · 1959

Sunday 1 November

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 3 min 19 s away. 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 Sunday 1 November

Taken. The only forenoon Pratipadā reaches.

06:44 sunrisepūrvāhṇa ends 10:16
Pratipadā begins 06:41:00
06:2007:0807:5608:4409:3210:20

211 of 211 minutes covered

Forenoon of Monday 2 November

Pratipadā is absent from pūrvāhṇa. Not taken.

06:45 sunrisepūrvāhṇa ends 10:16
06:2107:0907:5708:4509:3310:21

0 of 211 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 06:41 on Sun 1 Nov to 03:08 on Mon 2 Nov.

    1959-10-31T22:41:01Z → 1959-11-01T19:08:22Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:44–10:16 on the 1st, 06:45–10:16 on the 2nd.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 211 of 211 minutes on the 1st and 0 of 211 on the 2nd.

    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 199 s < 300 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1959: Sunday 1 November.

    confidence: boundary (margin)

Say it like this

In Baoding, Dyūta Pratipad 1959 falls on Sunday 1 November. Pratipadā runs from 06:41 on Sun 1 Nov to 03:08 on Mon 2 Nov and covers all of pūrvāhṇa that forenoon. It is 3 min 19 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1959/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 1 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 1 Nov
compat-drikpanchangComparison profileSun 1 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 31stCoveredSunrise 1stCoveredRuled
Los Angeles14:41 → 11:0806:110 min06:12216 min1 Nov
Chicago16:41 → 13:0806:210 min06:23208 min1 Nov
Jersey City17:41 → 14:0806:250 min06:26209 min1 Nov
Port of Spain18:41 → 15:0805:570 min05:57235 min1 Nov
London22:41 → 19:0806:510 min06:53194 min1 Nov
Durban00:41 → 21:0805:030 min05:02265 min1 Nov
Dubai02:41 → 23:0806:250 min06:26224 min1 Nov
Delhi04:11 → 00:3806:320 min06:33221 min1 Nov
Kolkata04:11 → 00:3805:400 min05:41226 min1 Nov
Singapore06:11 → 02:3806:160 min06:16241 min1 Nov
Sydney08:41 → 05:0804:570 min04:5644 min1 Nov
Suva10:41 → 07:0805:280 min05:280 min2 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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