Ruling · Gopāṣṭamī (Goṣṭhāṣṭamī) · 2006

Monday 30 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 296 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

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

Midday of Sunday 29 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 10:59  11:47 madhyāhna ends
10:1110:3510:5911:2311:4712:1112:35

0 of 48 minutes covered

Midday of Monday 30 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 10:59  11:47 madhyāhna ends
10:1110:3510:5911:2311:4712:1112:35

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 18:00 on Sun 29 Oct to 16:43 on Mon 30 Oct.

    2006-10-29T09:59:52Z → 2006-10-30T08:42:58Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 29th, 10:59–11:47 on the 30th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.

    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 17735 s

  5. 05

    Ruling

    Gopāṣṭamī, Daqing, 2006: Monday 30 October.

    confidence: determinate

Say it like this

In Daqing, Gopāṣṭamī 2006 falls on Monday 30 October. Aṣṭamī runs from 18:00 on Sun 29 Oct to 16:43 on Mon 30 Oct and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2006/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 30 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 30 Oct
compat-drikpanchangComparison profileMon 30 Oct
No institution has a recorded ruling for Daqing.

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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles02:00 → 00:4311:1248 min11:120 min29 Oct
Chicago04:00 → 02:4311:1048 min11:100 min29 Oct
Jersey City05:00 → 03:4311:1648 min11:160 min29 Oct
Port of Spain06:00 → 04:4311:2648 min11:260 min29 Oct
London10:00 → 08:4311:2048 min11:200 min29 Oct
Durban12:00 → 10:4311:164 min11:160 min29 Oct
Dubai14:00 → 12:4311:380 min11:3848 min30 Oct
Delhi15:30 → 14:1311:410 min11:4148 min30 Oct
Kolkata15:30 → 14:1310:560 min10:5648 min30 Oct
Singapore18:00 → 16:4312:240 min12:2448 min30 Oct
Sydney21:00 → 19:4312:150 min12:1548 min30 Oct
Suva22:00 → 20:4311:260 min11:2648 min30 Oct
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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