Ruling · Dyūta Pratipad · 1950

Friday 10 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 31 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 Friday 10 November

Taken. The only forenoon Pratipadā reaches.

06:54 sunrisepūrvāhṇa ends 10:19
Pratipadā begins 07:25:24
06:3007:1808:0608:5409:4210:30

174 of 205 minutes covered, the last 174

Forenoon of Saturday 11 November

Pratipadā is absent from pūrvāhṇa. Not taken.

06:56 sunrisepūrvāhṇa ends 10:20
06:3207:2008:0808:5609:4410:32

0 of 204 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 07:25 on Fri 10 Nov to 03:36 on Sat 11 Nov.

    1950-11-09T23:25:25Z → 1950-11-10T19:36:14Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:54–10:19 on the 10th, 06:56–10:20 on the 11th.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 174 of 205 minutes on the 10th and 0 of 204 on the 11th.

    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 1857 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1950: Friday 10 November.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 1950 falls on Friday 10 November. Pratipadā runs from 07:25 on Fri 10 Nov to 03:36 on Sat 11 Nov and covers 174 of 205 minutes of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1950/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 10 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 10 Nov
compat-drikpanchangComparison profileFri 10 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 9thCoveredSunrise 10thCoveredRuled
Los Angeles15:25 → 11:3606:200 min06:21211 min10 Nov
Chicago17:25 → 13:3606:330 min06:34200 min10 Nov
Jersey City18:25 → 14:3606:360 min06:37202 min10 Nov
Port of Spain19:25 → 15:3606:000 min06:00233 min10 Nov
London23:25 → 19:3607:070 min07:09183 min10 Nov
Durban01:25 → 21:3604:560 min04:56270 min10 Nov
Dubai03:25 → 23:3606:310 min06:32220 min10 Nov
Delhi04:55 → 01:0606:390 min06:40217 min10 Nov
Kolkata04:55 → 01:0605:450 min05:46223 min10 Nov
Singapore06:55 → 03:0606:170 min06:17203 min10 Nov
Sydney09:25 → 05:3604:490 min04:480 min11 Nov
Suva11:25 → 07:3605:240 min05:240 min11 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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