Ruling · Dyūta Pratipad · 2041

Saturday 26 October

Boundaryin Baoding, under the Rashtriya Panchang method. Both forenoons qualify and the rule does not say which to take. Say “contested”.

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 Friday 25 October

Qualifies with 44 of 216 minutes. Not taken.

06:38 sunrisepūrvāhṇa ends 10:14
Pratipadā begins 09:30:22
06:1407:0207:5008:3809:2610:14

44 of 216 minutes covered, the last 44

Forenoon of Saturday 26 October

Taken. Both forenoons qualify; the rule is silent, and this one is covered longer.

06:39 sunrisepūrvāhṇa ends 10:14
06:1507:0307:5108:3909:2710:15

215 of 215 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 09:30 on Fri 25 Oct to 10:47 on Sat 26 Oct.

    2041-10-25T01:30:23Z → 2041-10-26T02:47:04Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:38–10:14 on the 25th, 06:39–10:14 on the 26th.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 44 of 216 minutes on the 25th and 215 of 215 on the 26th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 1967 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 2041: Saturday 26 October.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Dyūta Pratipad 2041 falls on Saturday 26 October. Pratipadā runs from 09:30 on Fri 25 Oct to 10:47 on Sat 26 Oct and covers all of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 44 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/baoding/festivals/2041/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 26 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 26 Oct
compat-drikpanchangComparison profileSat 26 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 25thCoveredSunrise 26thCoveredRuled
Los Angeles18:30 → 19:4707:07220 min07:080 min25 Oct
Chicago20:30 → 21:4707:15213 min07:170 min25 Oct
Jersey City21:30 → 22:4707:19214 min07:210 min25 Oct
Port of Spain21:30 → 22:4705:56236 min05:560 min25 Oct
London02:30 → 03:4707:43201 min07:440 min25 Oct
Durban03:30 → 04:4705:08262 min05:070 min25 Oct
Dubai05:30 → 06:4706:23227 min06:2324 min25 Oct
Delhi07:00 → 08:1706:29192 min06:29108 min25 Oct
Kolkata07:00 → 08:1705:38146 min05:38159 min26 Oct
Singapore09:30 → 10:4706:4778 min06:47241 min26 Oct
Sydney12:30 → 13:4706:020 min06:01265 min26 Oct
Suva13:30 → 14:4705:310 min05:30253 min26 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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