Ruling · Gopāṣṭamī · 1908

Sunday 1 November

Determinatein Cairo, under the Rashtriya Panchang method. Clear of every threshold by 363 minutes.

Decide it for

30°04′ N 31°15′ E · Africa/Cairo · GeoNames 360630

The two middays

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

Midday of Sunday 1 November

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:15  12:03 madhyāhna ends
10:2710:5111:1511:3912:0312:2712:51

48 of 48 minutes covered

Midday of Monday 2 November

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:14  12:02 madhyāhna ends
10:2610:5011:1411:3812:0212:2612:50

0 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 05:11 on Sun 1 Nov to 03:16 on Mon 2 Nov.

    1908-11-01T03:11:02Z → 1908-11-02T01:16:18Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 1st, 11:14–12:02 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

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

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 21808 s

  5. 05

    Ruling

    Gopāṣṭamī, Cairo, 1908: Sunday 1 November.

    confidence: determinate

Say it like this

In Cairo, Gopāṣṭamī 1908 falls on Sunday 1 November. Aṣṭamī runs from 05:11 on Sun 1 Nov to 03:16 on Mon 2 Nov and covers all of madhyāhna that midday.

ahargana.org/cairo/festivals/1908/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 1 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 1 Nov
compat-drikpanchangComparison profileSun 1 Nov
No institution has a recorded ruling for Cairo.

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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles19:11 → 17:1611:1248 min11:120 min1 Nov
Chicago21:11 → 19:1611:1048 min11:100 min1 Nov
Jersey City22:11 → 20:1611:1648 min11:160 min1 Nov
Port of Spain23:11 → 21:1611:2648 min11:260 min1 Nov
London03:11 → 01:1611:2048 min11:200 min1 Nov
Durban05:11 → 03:1611:1648 min11:160 min1 Nov
Dubai06:52 → 04:5711:1948 min11:190 min1 Nov
Delhi08:41 → 06:4611:4148 min11:410 min1 Nov
Kolkata08:41 → 06:4610:5648 min10:560 min1 Nov
Singapore10:11 → 08:1611:2448 min11:240 min1 Nov
Sydney13:11 → 11:1611:150 min11:151 min2 Nov
Suva15:06 → 13:1111:210 min11:2148 min2 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

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