Ruling · Dyūta Pratipad · 2007

Saturday 10 November

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 Saturday 10 November

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

06:55 sunrisepūrvāhṇa ends 10:19
Pratipadā begins 07:03:04
06:3107:1908:0708:5509:4310:31

196 of 205 minutes covered, the last 196

Forenoon of Sunday 11 November

Qualifies with 156 of 204 minutes. Not taken.

06:56 sunrisepūrvāhṇa ends 10:20
Pratipadā ends 09:31:29
06:3207:2008:0808:5609:4410:32

156 of 204 minutes covered, the first 156

Pratipadā presentPūrvāhṇa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 07:03 on Sat 10 Nov to 09:31 on Sun 11 Nov.

    2007-11-09T23:03:05Z → 2007-11-11T01:31:30Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:55–10:19 on the 10th, 06:56–10:20 on the 11th.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 196 of 205 minutes on the 10th and 156 of 204 on the 11th.

    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 509 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 2007: Saturday 10 November.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Dyūta Pratipad 2007 falls on Saturday 10 November. Pratipadā runs from 07:03 on Sat 10 Nov to 09:31 on Sun 11 Nov and covers 196 of 205 minutes of pūrvāhṇa that forenoon. It also reaches the next forenoon for 156 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/2007/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 10 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 10 Nov
compat-drikpanchangComparison profileSat 10 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 9thCoveredSunrise 11thCoveredRuled
Los Angeles15:03 → 17:3106:200 min06:220 min10 Nov
Chicago17:03 → 19:3106:330 min06:350 min10 Nov
Jersey City18:03 → 20:3106:360 min06:380 min10 Nov
Port of Spain19:03 → 21:3106:000 min06:000 min10 Nov
London23:03 → 01:3107:080 min07:110 min10 Nov
Durban01:03 → 03:3104:560 min04:550 min10 Nov
Dubai03:03 → 05:3106:310 min06:330 min10 Nov
Delhi04:33 → 07:0106:390 min06:4021 min10 Nov
Kolkata04:33 → 07:0105:450 min05:4775 min10 Nov
Singapore07:03 → 09:3106:470 min06:47165 min10 Nov
Sydney10:03 → 12:3105:490 min05:47275 min11 Nov
Suva11:03 → 13:3105:240 min05:24258 min11 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

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