Ruling · Dyūta Pratipad · 1937

Thursday 4 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 119 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 Wednesday 3 November

Pratipadā is absent from pūrvāhṇa. Not taken.

06:47 sunrisepūrvāhṇa ends 10:17
06:2307:1107:5908:4709:3510:23

0 of 210 minutes covered

Forenoon of Thursday 4 November

Taken. The only forenoon Pratipadā reaches.

06:48 sunrisepūrvāhṇa ends 10:17
06:2407:1208:0008:4809:3610:24

209 of 209 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 12:16 on Wed 3 Nov to 14:30 on Thu 4 Nov.

    1937-11-03T04:15:45Z → 1937-11-04T06:29:36Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:47–10:17 on the 3rd, 06:48–10:17 on the 4th.

    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 210 minutes on the 3rd and 209 of 209 on the 4th.

    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 7145 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1937: Thursday 4 November.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 1937 falls on Thursday 4 November. Pratipadā runs from 12:16 on Wed 3 Nov to 14:30 on Thu 4 Nov and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1937/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 4 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 4 Nov
compat-drikpanchangComparison profileThu 4 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 3rdCoveredSunrise 4thCoveredRuled
Los Angeles20:16 → 22:3006:15215 min06:150 min3 Nov
Chicago22:16 → 00:3006:25206 min06:270 min3 Nov
Jersey City23:16 → 01:3006:29207 min06:300 min3 Nov
Port of Spain00:16 → 02:3005:58234 min05:580 min3 Nov
London04:16 → 06:3006:57191 min06:590 min3 Nov
Durban06:16 → 08:3005:01191 min05:00210 min4 Nov
Dubai08:16 → 10:3006:27115 min06:28223 min4 Nov
Delhi09:46 → 12:0006:3429 min06:35220 min4 Nov
Kolkata09:46 → 12:0005:420 min05:43225 min4 Nov
Singapore11:36 → 13:5006:060 min06:06241 min4 Nov
Sydney14:16 → 16:3004:540 min04:53271 min4 Nov
Suva16:16 → 18:3005:270 min05:26256 min4 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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