Ruling · Gopāṣṭamī · 2007

Saturday 17 November

Determinatein Luanda, under the Rashtriya Panchang method. Clear of every threshold by 9 min 42 s.

Decide it for

LuandaDelhiKolkataSingaporeSydneyJersey City

8°50′ S 13°14′ E · Africa/Luanda · GeoNames 2240449

The two middays

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

Midday of Saturday 17 November

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:28  12:16 madhyāhna ends
Aṣṭamī begins 11:37:41
10:4011:0411:2811:5212:1612:4013:04

38 of 48 minutes covered, the last 38

Midday of Sunday 18 November

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:28  12:16 madhyāhna ends
Aṣṭamī ends 11:16:26
10:4011:0411:2811:5212:1612:4013:04

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 11:38 on Sat 17 Nov to 11:16 on Sun 18 Nov.

    2007-11-17T10:37:42Z → 2007-11-18T10:16:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 17th, 11:28–12:16 on the 18th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 38 of 48 minutes on the 17th and 0 of 48 on the 18th.

    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 582 s

  5. 05

    Ruling

    Gopāṣṭamī, Luanda, 2007: Saturday 17 November.

    confidence: determinate

Say it like this

In Luanda, Gopāṣṭamī 2007 falls on Saturday 17 November. Aṣṭamī runs from 11:38 on Sat 17 Nov to 11:16 on Sun 18 Nov and covers 38 of 48 minutes of madhyāhna that midday.

ahargana.org/luanda/festivals/2007/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 17 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 17 Nov
compat-drikpanchangComparison profileSat 17 Nov
No institution has a recorded ruling for Luanda.

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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles02:38 → 02:1611:1448 min11:140 min17 Nov
Chicago04:38 → 04:1611:1148 min11:120 min17 Nov
Jersey City05:38 → 05:1611:1748 min11:170 min17 Nov
Port of Spain06:38 → 06:1611:2748 min11:270 min17 Nov
London10:38 → 10:1611:2148 min11:210 min17 Nov
Durban12:38 → 12:1611:170 min11:1748 min18 Nov
Dubai14:38 → 14:1611:400 min11:4048 min18 Nov
Delhi16:08 → 15:4611:420 min11:4248 min18 Nov
Kolkata16:08 → 15:4610:570 min10:5748 min18 Nov
Singapore18:38 → 18:1612:250 min12:2648 min18 Nov
Sydney21:38 → 21:1612:160 min12:1648 min18 Nov
Suva22:38 → 22:1611:270 min11:2748 min18 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