Ruling · Dyūta Pratipad · 2080

Tuesday 12 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 440 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 12 November

Taken. The only forenoon Pratipadā reaches.

06:58 sunrisepūrvāhṇa ends 10:21
06:3407:2208:1008:5809:4610:34

203 of 203 minutes covered

Forenoon of Wednesday 13 November

Pratipadā is absent from pūrvāhṇa. Not taken.

06:59 sunrisepūrvāhṇa ends 10:21
06:3507:2308:1108:5909:4710:35

0 of 202 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 23:38 on Mon 11 Nov to 23:24 on Tue 12 Nov.

    2080-11-11T15:38:20Z → 2080-11-12T15:23:45Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:58–10:21 on the 12th, 06:59–10:21 on the 13th.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 203 of 203 minutes on the 12th and 0 of 202 on the 13th.

    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 26400 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 2080: Tuesday 12 November.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 2080 falls on Tuesday 12 November. Pratipadā runs from 23:38 on Mon 11 Nov to 23:24 on Tue 12 Nov and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/2080/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 12 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 12 Nov
compat-drikpanchangComparison profileTue 12 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 11thCoveredSunrise 12thCoveredRuled
Los Angeles07:38 → 07:2406:23134 min06:2460 min11 Nov
Chicago09:38 → 09:2406:3717 min06:38166 min12 Nov
Jersey City10:38 → 10:2406:400 min06:41200 min12 Nov
Port of Spain11:38 → 11:2406:010 min06:01233 min12 Nov
London15:38 → 15:2407:140 min07:15180 min12 Nov
Durban17:38 → 17:2404:540 min04:54271 min12 Nov
Dubai19:38 → 19:2406:340 min06:34219 min12 Nov
Delhi21:08 → 20:5406:410 min06:42215 min12 Nov
Kolkata21:08 → 20:5405:470 min05:48222 min12 Nov
Singapore23:38 → 23:2406:470 min06:47241 min12 Nov
Sydney02:38 → 02:2405:460 min05:46276 min12 Nov
Suva03:38 → 03:2405:230 min05:23259 min12 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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