Ruling · Dyūta Pratipad · 2057

Monday 29 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 65 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 28 October

Pratipadā is absent from pūrvāhṇa. Not taken.

06:41 sunrisepūrvāhṇa ends 10:15
06:1707:0507:5308:4109:2910:17

0 of 214 minutes covered

Forenoon of Monday 29 October

Taken. The only forenoon Pratipadā reaches.

06:42 sunrisepūrvāhṇa ends 10:15
Pratipadā ends 08:45:11
06:1807:0607:5408:4209:3010:18

123 of 213 minutes covered, the first 123

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

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 11:20 on Sun 28 Oct to 08:45 on Mon 29 Oct.

    2057-10-28T03:19:37Z → 2057-10-29T00:45:11Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:41–10:15 on the 28th, 06:42–10:15 on the 29th.

    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 214 minutes on the 28th and 123 of 213 on the 29th.

    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 3880 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 2057: Monday 29 October.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 2057 falls on Monday 29 October. Pratipadā runs from 11:20 on Sun 28 Oct to 08:45 on Mon 29 Oct and covers 123 of 213 minutes of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/2057/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 29 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 29 Oct
compat-drikpanchangComparison profileMon 29 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 28thCoveredSunrise 29thCoveredRuled
Los Angeles20:20 → 17:4507:10218 min07:110 min28 Oct
Chicago22:20 → 19:4507:19210 min07:200 min28 Oct
Jersey City23:20 → 20:4507:23211 min07:240 min28 Oct
Port of Spain23:20 → 20:4505:57235 min05:570 min28 Oct
London03:20 → 00:4506:48197 min06:500 min28 Oct
Durban05:20 → 02:4505:05249 min05:040 min28 Oct
Dubai07:20 → 04:4506:24170 min06:250 min28 Oct
Delhi08:50 → 06:1506:3184 min06:310 min28 Oct
Kolkata08:50 → 06:1505:3937 min05:4035 min28 Oct
Singapore11:20 → 08:4506:460 min06:46119 min29 Oct
Sydney14:20 → 11:4505:590 min05:58267 min29 Oct
Suva15:20 → 12:4505:290 min05:29254 min29 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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