Ruling · Dyūta Pratipad · 1911

Monday 23 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 116 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 Sunday 22 October

Pratipadā is absent from pūrvāhṇa. Not taken.

06:33 sunrisepūrvāhṇa ends 10:13
06:0906:5707:4508:3309:2110:09

0 of 219 minutes covered

Forenoon of Monday 23 October

Taken. The only forenoon Pratipadā reaches.

06:34 sunrisepūrvāhṇa ends 10:13
06:1006:5807:4608:3409:2210:10

219 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 12:09 on Sun 22 Oct to 12:56 on Mon 23 Oct.

    1911-10-22T04:09:09Z → 1911-10-23T04:56:23Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:33–10:13 on the 22nd, 06:34–10:13 on the 23rd.

    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 219 minutes on the 22nd and 219 of 219 on the 23rd.

    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 6978 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1911: Monday 23 October.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 1911 falls on Monday 23 October. Pratipadā runs from 12:09 on Sun 22 Oct to 12:56 on Mon 23 Oct and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1911/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 23 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 23 Oct
compat-drikpanchangComparison profileMon 23 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 22ndCoveredSunrise 23rdCoveredRuled
Los Angeles20:09 → 20:5606:03223 min06:040 min22 Oct
Chicago22:09 → 22:5606:10217 min06:110 min22 Oct
Jersey City23:09 → 23:5606:14218 min06:150 min22 Oct
Port of Spain00:09 → 00:5605:56237 min05:560 min22 Oct
London04:09 → 04:5606:35207 min06:370 min22 Oct
Durban06:09 → 06:5605:12202 min05:11105 min22 Oct
Dubai07:50 → 08:3706:01120 min06:02156 min23 Oct
Delhi09:39 → 10:2606:2633 min06:26226 min23 Oct
Kolkata09:39 → 10:2605:360 min05:36230 min23 Oct
Singapore11:09 → 11:5605:470 min05:47241 min23 Oct
Sydney14:09 → 14:5605:080 min05:06262 min23 Oct
Suva16:04 → 16:5105:290 min05:28252 min23 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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