Ruling · Dyūta Pratipad · 1973

Saturday 27 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 62 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 Friday 26 October

Pratipadā is absent from pūrvāhṇa. Not taken.

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

0 of 216 minutes covered

Forenoon of Saturday 27 October

Taken. The only forenoon Pratipadā reaches.

06:40 sunrisepūrvāhṇa ends 10:14
06:1607:0407:5208:4009:2810:16

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 11:17 on Fri 26 Oct to 12:01 on Sat 27 Oct.

    1973-10-26T03:16:30Z → 1973-10-27T04:00:39Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:39–10:14 on the 26th, 06:40–10:14 on the 27th.

    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 216 minutes on the 26th and 215 of 215 on the 27th.

    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 3743 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1973: Saturday 27 October.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 1973 falls on Saturday 27 October. Pratipadā runs from 11:17 on Fri 26 Oct to 12:01 on Sat 27 Oct and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1973/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 27 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 27 Oct
compat-drikpanchangComparison profileSat 27 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 26thCoveredSunrise 27thCoveredRuled
Los Angeles20:17 → 21:0107:08219 min07:080 min26 Oct
Chicago22:17 → 23:0107:16212 min07:170 min26 Oct
Jersey City23:17 → 00:0107:20213 min07:210 min26 Oct
Port of Spain23:17 → 00:0105:56236 min05:570 min26 Oct
London04:17 → 05:0107:43200 min07:450 min26 Oct
Durban05:17 → 06:0105:07253 min05:0654 min26 Oct
Dubai07:17 → 08:0106:23173 min06:2397 min26 Oct
Delhi08:47 → 09:3106:2986 min06:30181 min27 Oct
Kolkata08:47 → 09:3105:3840 min05:38228 min27 Oct
Singapore10:47 → 11:3106:170 min06:17241 min27 Oct
Sydney13:17 → 14:0105:020 min05:01266 min27 Oct
Suva15:17 → 16:0105:310 min05:30253 min27 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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