Ruling · Dyūta Pratipad · 1974

Thursday 14 November

Boundaryin Baoding, under the Rashtriya Panchang method. Both forenoons qualify and the rule does not say which to take. 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 Thursday 14 November

Taken. Both forenoons qualify; the rule is silent, and this one is covered longer.

06:59 sunrisepūrvāhṇa ends 10:21
Pratipadā begins 08:53:12
06:3507:2308:1108:5909:4710:35

88 of 202 minutes covered, the last 88

Forenoon of Friday 15 November

Qualifies with 84 of 202 minutes. Not taken.

07:00 sunrisepūrvāhṇa ends 10:22
Pratipadā ends 08:24:30
06:3607:2408:1209:0009:4810:36

84 of 202 minutes covered, the first 84

Pratipadā presentPūrvāhṇa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 08:53 on Thu 14 Nov to 08:25 on Fri 15 Nov.

    1974-11-14T00:53:13Z → 1974-11-15T00:24:31Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:59–10:21 on the 14th, 07:00–10:22 on the 15th.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 88 of 202 minutes on the 14th and 84 of 202 on the 15th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 5059 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1974: Thursday 14 November.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Dyūta Pratipad 1974 falls on Thursday 14 November. Pratipadā runs from 08:53 on Thu 14 Nov to 08:25 on Fri 15 Nov and covers 88 of 202 minutes of pūrvāhṇa that forenoon. It also reaches the next forenoon for 84 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/baoding/festivals/1974/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 14 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 14 Nov
compat-drikpanchangComparison profileThu 14 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 14thCoveredSunrise 15thCoveredRuled
Los Angeles16:53 → 16:2506:25208 min06:260 min14 Nov
Chicago18:53 → 18:2506:39197 min06:400 min14 Nov
Jersey City19:53 → 19:2506:42199 min06:430 min14 Nov
Port of Spain20:53 → 20:2506:01233 min06:020 min14 Nov
London00:53 → 00:2507:17179 min07:180 min14 Nov
Durban02:53 → 02:2504:53272 min04:530 min14 Nov
Dubai04:53 → 04:2506:35219 min06:350 min14 Nov
Delhi06:23 → 05:5506:43215 min06:440 min14 Nov
Kolkata06:23 → 05:5505:48187 min05:495 min14 Nov
Singapore08:23 → 07:5506:17115 min06:1897 min14 Nov
Sydney11:53 → 11:2505:450 min05:44277 min15 Nov
Suva12:53 → 12:2505:230 min05:22259 min15 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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