Ruling · Dyūta Pratipad · 1979

Monday 22 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 10 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 21 October

Pratipadā is absent from pūrvāhṇa. Not taken.

06:33 sunrisepūrvāhṇa ends 10:13
Pratipadā begins 10:23:02
06:0906:5707:4508:3309:2110:09

0 of 220 minutes covered

Forenoon of Monday 22 October

Taken. The only forenoon Pratipadā reaches.

06:34 sunrisepūrvāhṇa ends 10:13
06:1006:5807:4608:3409:2210:10

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 10:23 on Sun 21 Oct to 11:35 on Mon 22 Oct.

    1979-10-21T02:23:02Z → 1979-10-22T03:34:53Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:33–10:13 on the 21st, 06:34–10:13 on the 22nd.

    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 21st and 219 of 219 on the 22nd.

    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 619 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1979: Monday 22 October.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 1979 falls on Monday 22 October. Pratipadā runs from 10:23 on Sun 21 Oct to 11:35 on Mon 22 Oct and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1979/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 22 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 22 Oct
compat-drikpanchangComparison profileMon 22 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 21stCoveredSunrise 22ndCoveredRuled
Los Angeles19:23 → 20:3507:03223 min07:040 min21 Oct
Chicago21:23 → 22:3507:10217 min07:110 min21 Oct
Jersey City22:23 → 23:3507:14218 min07:150 min21 Oct
Port of Spain22:23 → 23:3505:56237 min05:560 min21 Oct
London03:23 → 04:3507:34207 min07:360 min21 Oct
Durban04:23 → 05:3505:13259 min05:1223 min21 Oct
Dubai06:23 → 07:3506:20226 min06:2075 min21 Oct
Delhi07:53 → 09:0506:25139 min06:26159 min22 Oct
Kolkata07:53 → 09:0505:3593 min05:36209 min22 Oct
Singapore09:53 → 11:0506:1726 min06:17241 min22 Oct
Sydney12:23 → 13:3505:080 min05:07262 min22 Oct
Suva14:23 → 15:3505:340 min05:34252 min22 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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