Ruling · Dyūta Pratipad · 1965

Monday 25 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 506 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 Monday 25 October

Taken. The only forenoon Pratipadā reaches.

06:37 sunrisepūrvāhṇa ends 10:14
06:1307:0107:4908:3709:2510:13

216 of 216 minutes covered

Forenoon of Tuesday 26 October

Pratipadā is absent from pūrvāhṇa. Not taken.

06:38 sunrisepūrvāhṇa ends 10:14
06:1407:0207:5008:3809:2610:14

0 of 216 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 22:11 on Sun 24 Oct to 21:00 on Mon 25 Oct.

    1965-10-24T14:11:11Z → 1965-10-25T12:59:49Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:37–10:14 on the 25th, 06:38–10:14 on the 26th.

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

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 216 of 216 minutes on the 25th and 0 of 216 on the 26th.

    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 30373 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1965: Monday 25 October.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 1965 falls on Monday 25 October. Pratipadā runs from 22:11 on Sun 24 Oct to 21:00 on Mon 25 Oct and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1965/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 25 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 25 Oct
compat-drikpanchangComparison profileMon 25 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 24thCoveredSunrise 25thCoveredRuled
Los Angeles07:11 → 06:0007:06215 min07:070 min24 Oct
Chicago09:11 → 08:0007:1496 min07:1545 min24 Oct
Jersey City10:11 → 09:0007:1842 min07:19101 min25 Oct
Port of Spain10:11 → 09:0005:560 min05:56184 min25 Oct
London14:11 → 13:0006:400 min06:42202 min25 Oct
Durban16:11 → 15:0005:090 min05:08261 min25 Oct
Dubai18:11 → 17:0006:220 min06:22227 min25 Oct
Delhi19:41 → 18:3006:280 min06:28225 min25 Oct
Kolkata19:41 → 18:3005:370 min05:37229 min25 Oct
Singapore21:41 → 20:3006:170 min06:17241 min25 Oct
Sydney00:11 → 23:0005:040 min05:03264 min25 Oct
Suva02:11 → 01:0005:320 min05:31253 min25 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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