Ruling · Dyūta Pratipad · 2055

Thursday 21 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 289 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 20 October

Pratipadā is absent from pūrvāhṇa. Not taken.

06:32 sunrisepūrvāhṇa ends 10:13
06:0806:5607:4408:3209:2010:08

0 of 220 minutes covered

Forenoon of Thursday 21 October

Taken. The only forenoon Pratipadā reaches.

06:33 sunrisepūrvāhṇa ends 10:13
06:0906:5707:4508:3309:2110:09

219 of 219 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 18:50 on Wed 20 Oct to 15:02 on Thu 21 Oct.

    2055-10-20T10:49:55Z → 2055-10-21T07:01:42Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:32–10:13 on the 20th, 06:33–10:13 on the 21st.

    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 220 minutes on the 20th and 219 of 219 on the 21st.

    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 17329 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 2055: Thursday 21 October.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 2055 falls on Thursday 21 October. Pratipadā runs from 18:50 on Wed 20 Oct to 15:02 on Thu 21 Oct and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/2055/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 21 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 21 Oct
compat-drikpanchangComparison profileThu 21 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 20thCoveredSunrise 21stCoveredRuled
Los Angeles03:50 → 00:0207:03223 min07:030 min20 Oct
Chicago05:50 → 02:0207:09217 min07:100 min20 Oct
Jersey City06:50 → 03:0207:13218 min07:140 min20 Oct
Port of Spain06:50 → 03:0205:56183 min05:560 min20 Oct
London11:50 → 08:0207:330 min07:3527 min21 Oct
Durban12:50 → 09:0205:130 min05:12230 min21 Oct
Dubai14:50 → 11:0206:200 min06:20229 min21 Oct
Delhi16:20 → 12:3206:250 min06:26227 min21 Oct
Kolkata16:20 → 12:3205:350 min05:36230 min21 Oct
Singapore18:50 → 15:0206:470 min06:47241 min21 Oct
Sydney21:50 → 18:0206:090 min06:07262 min21 Oct
Suva22:50 → 19:0205:340 min05:34252 min21 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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