Ruling · Dyūta Pratipad · 1908

Sunday 25 October

Determinatein Phoenix, under the Rashtriya Panchang method. Clear of every threshold by 380 minutes.

Decide it for

33°27′ N 112°04′ W · America/Phoenix · GeoNames 5308655

The two forenoons

One ghaṭī is 24 minutes. Pūrvāhṇa is first 5 of 15 day muhūrtas.

Forenoon of Sunday 25 October

Taken. The only forenoon Pratipadā reaches.

06:41 sunrisepūrvāhṇa ends 10:22
06:1707:0507:5308:4109:2910:17

221 of 221 minutes covered

Forenoon of Monday 26 October

Pratipadā is absent from pūrvāhṇa. Not taken.

06:42 sunrisepūrvāhṇa ends 10:22
06:1807:0607:5408:4209:3010:18

0 of 220 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 23:46 on Sat 24 Oct to 00:22 on Mon 26 Oct.

    1908-10-25T06:46:19Z → 1908-10-26T07:22:10Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:41–10:22 on the 25th, 06:42–10:22 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 221 of 221 minutes on the 25th and 0 of 220 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 22789 s

  5. 05

    Ruling

    Dyūta Pratipad, Phoenix, 1908: Sunday 25 October.

    confidence: determinate

Say it like this

In Phoenix, Dyūta Pratipad 1908 falls on Sunday 25 October. Pratipadā runs from 23:46 on Sat 24 Oct to 00:22 on Mon 26 Oct and covers all of pūrvāhṇa that forenoon.

ahargana.org/phoenix/festivals/1908/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 25 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 25 Oct
compat-drikpanchangComparison profileSun 25 Oct
No institution has a recorded ruling for Phoenix.

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 25thCoveredSunrise 26thCoveredRuled
Los Angeles22:46 → 23:2206:07220 min06:070 min25 Oct
Chicago00:46 → 01:2206:15213 min06:160 min25 Oct
Jersey City01:46 → 02:2206:19214 min06:200 min25 Oct
Port of Spain02:46 → 03:2205:56236 min05:560 min25 Oct
London06:46 → 07:2206:41197 min06:4339 min25 Oct
Durban08:46 → 09:2205:0943 min05:08255 min26 Oct
Dubai10:27 → 11:0306:030 min06:04227 min26 Oct
Delhi12:16 → 12:5206:280 min06:29224 min26 Oct
Kolkata12:16 → 12:5205:370 min05:38228 min26 Oct
Singapore13:46 → 14:2205:470 min05:47241 min26 Oct
Sydney16:46 → 17:2205:030 min05:02265 min26 Oct
Suva18:41 → 19:1705:270 min05:26253 min26 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

About Ahargaṇa