Ruling · Dyūta Pratipad · 1951

Wednesday 31 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 529 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 31 October

Taken. The only forenoon Pratipadā reaches.

06:43 sunrisepūrvāhṇa ends 10:15
06:1907:0707:5508:4309:3110:19

212 of 212 minutes covered

Forenoon of Thursday 1 November

Pratipadā is absent from pūrvāhṇa. Not taken.

06:44 sunrisepūrvāhṇa ends 10:16
06:2007:0807:5608:4409:3210:20

0 of 212 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 21:55 on Tue 30 Oct to 19:31 on Wed 31 Oct.

    1951-10-30T13:54:31Z → 1951-10-31T11:30:53Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:43–10:15 on the 31st, 06:44–10:16 on the 1st.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 212 of 212 minutes on the 31st and 0 of 212 on the 1st.

    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 31721 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1951: Wednesday 31 October.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 1951 falls on Wednesday 31 October. Pratipadā runs from 21:55 on Tue 30 Oct to 19:31 on Wed 31 Oct and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1951/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 31 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 31 Oct
compat-drikpanchangComparison profileWed 31 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 30thCoveredSunrise 31stCoveredRuled
Los Angeles05:55 → 03:3106:11217 min06:110 min30 Oct
Chicago07:55 → 05:3106:20115 min06:210 min30 Oct
Jersey City08:55 → 06:3106:2460 min06:256 min30 Oct
Port of Spain09:55 → 07:3105:570 min05:5794 min31 Oct
London13:55 → 11:3106:490 min06:51195 min31 Oct
Durban15:55 → 13:3105:040 min05:03264 min31 Oct
Dubai17:55 → 15:3106:250 min06:25225 min31 Oct
Delhi19:25 → 17:0106:310 min06:32222 min31 Oct
Kolkata19:25 → 17:0105:400 min05:40227 min31 Oct
Singapore21:25 → 19:0106:160 min06:16241 min31 Oct
Sydney23:55 → 21:3104:580 min04:57268 min31 Oct
Suva01:55 → 23:3105:290 min05:28255 min31 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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