Ruling · Dyūta Pratipad · 2099

Friday 13 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 374 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 Thursday 12 November

Pratipadā is absent from pūrvāhṇa. Not taken.

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

0 of 203 minutes covered

Forenoon of Friday 13 November

Taken. The only forenoon Pratipadā reaches.

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

202 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 19:32 on Thu 12 Nov to 16:35 on Fri 13 Nov.

    2099-11-12T11:31:30Z → 2099-11-13T08:35:01Z

  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 0 of 203 minutes on the 12th and 202 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 22422 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 2099: Friday 13 November.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 2099 falls on Friday 13 November. Pratipadā runs from 19:32 on Thu 12 Nov to 16:35 on Fri 13 Nov and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/2099/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 13 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 13 Nov
compat-drikpanchangComparison profileFri 13 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 12thCoveredSunrise 13thCoveredRuled
Los Angeles03:32 → 00:3506:24209 min06:250 min12 Nov
Chicago05:32 → 02:3506:38198 min06:390 min12 Nov
Jersey City06:32 → 03:3506:41200 min06:420 min12 Nov
Port of Spain07:32 → 04:3506:01143 min06:010 min12 Nov
London11:32 → 08:3507:140 min07:1679 min13 Nov
Durban13:32 → 10:3504:540 min04:54271 min13 Nov
Dubai15:32 → 12:3506:340 min06:35219 min13 Nov
Delhi17:02 → 14:0506:420 min06:43215 min13 Nov
Kolkata17:02 → 14:0505:480 min05:49222 min13 Nov
Singapore19:32 → 16:3506:470 min06:48241 min13 Nov
Sydney22:32 → 19:3505:460 min05:45276 min13 Nov
Suva23:32 → 20:3505:230 min05:23259 min13 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

About Ahargaṇa