Ruling · Dyūta Pratipad · 1930

Wednesday 22 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 46 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 Wednesday 22 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

Forenoon of Thursday 23 October

Pratipadā is absent from pūrvāhṇa. Not taken.

06:35 sunrisepūrvāhṇa ends 10:13
06:1106:5907:4708:3509:2310:11

0 of 218 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 05:48 on Wed 22 Oct to 03:42 on Thu 23 Oct.

    1930-10-21T21:47:31Z → 1930-10-22T19:41:44Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:34–10:13 on the 22nd, 06:35–10:13 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 219 of 219 minutes on the 22nd and 0 of 218 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 2775 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1930: Wednesday 22 October.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 1930 falls on Wednesday 22 October. Pratipadā runs from 05:48 on Wed 22 Oct to 03:42 on Thu 23 Oct and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1930/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 22 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 22 Oct
compat-drikpanchangComparison profileWed 22 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 21stCoveredSunrise 22ndCoveredRuled
Los Angeles13:48 → 11:4206:030 min06:04222 min22 Oct
Chicago15:48 → 13:4206:090 min06:11216 min22 Oct
Jersey City16:48 → 14:4206:140 min06:15217 min22 Oct
Port of Spain17:48 → 15:4205:560 min05:56237 min22 Oct
London21:48 → 19:4206:340 min06:36206 min22 Oct
Durban23:48 → 21:4205:130 min05:12259 min22 Oct
Dubai01:48 → 23:4206:200 min06:20229 min22 Oct
Delhi03:18 → 01:1206:250 min06:26226 min22 Oct
Kolkata03:18 → 01:1205:350 min05:36230 min22 Oct
Singapore04:48 → 02:4205:470 min05:47241 min22 Oct
Sydney07:48 → 05:4205:080 min05:07102 min22 Oct
Suva09:48 → 07:4205:340 min05:340 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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