Ruling · Dyūta Pratipad · 1938

Monday 24 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 378 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 23 October

Pratipadā is absent from pūrvāhṇa. Not taken.

06:35 sunrisepūrvāhṇa ends 10:13
06:1106:5907:4708:3509:2310:11

0 of 218 minutes covered

Forenoon of Monday 24 October

Taken. The only forenoon Pratipadā reaches.

06:36 sunrisepūrvāhṇa ends 10:13
06:1207:0007:4808:3609:2410:12

218 of 218 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 16:42 on Sun 23 Oct to 16:31 on Mon 24 Oct.

    1938-10-23T08:42:10Z → 1938-10-24T08:31:08Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:35–10:13 on the 23rd, 06:36–10:13 on the 24th.

    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 218 minutes on the 23rd and 218 of 218 on the 24th.

    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 22660 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1938: Monday 24 October.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 1938 falls on Monday 24 October. Pratipadā runs from 16:42 on Sun 23 Oct to 16:31 on Mon 24 Oct and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1938/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 24 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 24 Oct
compat-drikpanchangComparison profileMon 24 Oct
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 23rdCoveredSunrise 24thCoveredRuled
Los Angeles00:42 → 00:3106:05222 min06:050 min23 Oct
Chicago02:42 → 02:3106:12215 min06:130 min23 Oct
Jersey City03:42 → 03:3106:16216 min06:170 min23 Oct
Port of Spain04:42 → 04:3105:56236 min05:560 min23 Oct
London08:42 → 08:3106:3780 min06:39112 min24 Oct
Durban10:42 → 10:3105:110 min05:10260 min24 Oct
Dubai12:42 → 12:3106:210 min06:21228 min24 Oct
Delhi14:12 → 14:0106:270 min06:27225 min24 Oct
Kolkata14:12 → 14:0105:360 min05:37229 min24 Oct
Singapore16:02 → 15:5106:070 min06:07241 min24 Oct
Sydney18:42 → 18:3105:060 min05:05263 min24 Oct
Suva20:42 → 20:3105:330 min05:32252 min24 Oct
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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