Ruling · Dyūta Pratipad · 1997

Saturday 1 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 465 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 31 October

Pratipadā is absent from pūrvāhṇa. Not taken.

06:44 sunrisepūrvāhṇa ends 10:16
06:2007:0807:5608:4409:3210:20

0 of 212 minutes covered

Forenoon of Saturday 1 November

Taken. The only forenoon Pratipadā reaches.

06:45 sunrisepūrvāhṇa ends 10:16
06:2107:0907:5708:4509:3310:21

211 of 211 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 18:01 on Fri 31 Oct to 19:21 on Sat 1 Nov.

    1997-10-31T10:01:03Z → 1997-11-01T11:21:23Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:44–10:16 on the 31st, 06:45–10:16 on the 1st.

    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 212 minutes on the 31st and 211 of 211 on the 1st.

    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 27921 s

  5. 05

    Ruling

    Dyūta Pratipad, Baoding, 1997: Saturday 1 November.

    confidence: determinate

Say it like this

In Baoding, Dyūta Pratipad 1997 falls on Saturday 1 November. Pratipadā runs from 18:01 on Fri 31 Oct to 19:21 on Sat 1 Nov and covers all of pūrvāhṇa that forenoon.

ahargana.org/baoding/festivals/1997/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 1 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 1 Nov
compat-drikpanchangComparison profileSat 1 Nov
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 31stCoveredSunrise 1stCoveredRuled
Los Angeles02:01 → 03:2106:12216 min06:130 min31 Oct
Chicago04:01 → 05:2106:22208 min06:230 min31 Oct
Jersey City05:01 → 06:2106:26209 min06:270 min31 Oct
Port of Spain06:01 → 07:2105:57231 min05:5884 min31 Oct
London10:01 → 11:2106:536 min06:54193 min1 Nov
Durban12:01 → 13:2105:030 min05:02265 min1 Nov
Dubai14:01 → 15:2106:260 min06:26224 min1 Nov
Delhi15:31 → 16:5106:320 min06:33221 min1 Nov
Kolkata15:31 → 16:5105:410 min05:41226 min1 Nov
Singapore18:01 → 19:2106:460 min06:46241 min1 Nov
Sydney21:01 → 22:2105:560 min05:55269 min1 Nov
Suva22:01 → 23:2105:280 min05:27255 min1 Nov
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

About Ahargaṇa