Ruling · Gopāṣṭamī · 2000

Friday 3 November

Boundaryin Phoenix, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. Say “contested”.

Decide it for

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

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Friday 3 November

Taken. Both middays qualify; the rule is silent, and this one is covered longer.

madhyāhna begins 11:48  12:36 madhyāhna ends
Aṣṭamī begins 11:08:12
11:0011:2411:4812:1212:3613:0013:24

48 of 48 minutes covered

Midday of Saturday 4 November

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

48 of 48 minutes covered

Aṣṭamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 11:08 on Fri 3 Nov to 13:41 on Sat 4 Nov.

    2000-11-03T18:08:12Z → 2000-11-04T20:41:18Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 3rd, 11:48–12:36 on the 4th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 48 of 48 on the 4th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 2368 s

  5. 05

    Ruling

    Gopāṣṭamī, Phoenix, 2000: Friday 3 November.

    confidence: boundary (tie-break-unstated)

Say it like this

In Phoenix, Gopāṣṭamī 2000 falls on Friday 3 November. Aṣṭamī runs from 11:08 on Fri 3 Nov to 13:41 on Sat 4 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/phoenix/festivals/2000/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 3 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 3 Nov
compat-drikpanchangComparison profileSat 4 Nov
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/gopashtami · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Aṣṭamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 104

“S 8 Gopastami, Gosthastami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles10:08 → 12:4111:1248 min11:1248 min3 Nov
Chicago12:08 → 14:4111:100 min11:1048 min4 Nov
Jersey City13:08 → 15:4111:160 min11:1648 min4 Nov
Port of Spain14:08 → 16:4111:260 min11:2648 min4 Nov
London18:08 → 20:4111:200 min11:2048 min4 Nov
Durban20:08 → 22:4111:160 min11:1648 min4 Nov
Dubai22:08 → 00:4111:380 min11:3848 min4 Nov
Delhi23:38 → 02:1111:400 min11:4048 min4 Nov
Kolkata23:38 → 02:1110:560 min10:5648 min4 Nov
Singapore02:08 → 04:4112:240 min12:2448 min4 Nov
Sydney05:08 → 07:4112:150 min12:1548 min4 Nov
Suva06:08 → 08:4111:260 min11:2648 min4 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
gopashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa