Ruling · Dyūta Pratipad · 1941

Tuesday 21 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 493 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 Tuesday 21 October

Taken. The only forenoon Pratipadā reaches.

07:33 sunrisepūrvāhṇa ends 11:13
07:0907:5708:4509:3310:2111:09

220 of 220 minutes covered

Forenoon of Wednesday 22 October

Pratipadā is absent from pūrvāhṇa. Not taken.

07:34 sunrisepūrvāhṇa ends 11:13
07:1007:5808:4609:3410:2211:10

0 of 219 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 23:20 on Mon 20 Oct to 19:44 on Tue 21 Oct.

    1941-10-20T14:19:43Z → 1941-10-21T10:43:34Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:33–11:13 on the 21st, 07:34–11:13 on the 22nd.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 220 of 220 minutes on the 21st and 0 of 219 on the 22nd.

    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 29600 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1941: Tuesday 21 October.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 1941 falls on Tuesday 21 October. Pratipadā runs from 23:20 on Mon 20 Oct to 19:44 on Tue 21 Oct and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1941/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 21 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 21 Oct
compat-drikpanchangComparison profileTue 21 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 20thCoveredSunrise 21stCoveredRuled
Los Angeles06:20 → 02:4406:02206 min06:030 min20 Oct
Chicago08:20 → 04:4406:0987 min06:100 min20 Oct
Jersey City09:20 → 05:4406:1332 min06:140 min20 Oct
Port of Spain10:20 → 06:4405:560 min05:5648 min21 Oct
London15:20 → 11:4407:330 min07:34207 min21 Oct
Durban16:20 → 12:4405:140 min05:12259 min21 Oct
Dubai18:20 → 14:4406:190 min06:20229 min21 Oct
Delhi20:50 → 17:1407:250 min07:25227 min21 Oct
Kolkata20:50 → 17:1406:350 min06:36230 min21 Oct
Singapore21:50 → 18:1406:170 min06:17241 min21 Oct
Sydney00:20 → 20:4405:090 min05:08262 min21 Oct
Suva02:20 → 22:4405:350 min05:34251 min21 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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