Ruling · Gopāṣṭamī · 2017

Saturday 28 October

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 342 minutes.

Decide it for

35°52′ N 128°36′ E · Asia/Seoul · GeoNames 1835329

The two middays

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

Midday of Friday 27 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

0 of 48 minutes covered

Midday of Saturday 28 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

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 18:15 on Fri 27 Oct to 20:21 on Sat 28 Oct.

    2017-10-27T09:15:11Z → 2017-10-28T11:21:21Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 27th, 11:45–12:33 on the 28th.

    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 27th and 48 of 48 on the 28th.

    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 20516 s

  5. 05

    Ruling

    Gopāṣṭamī, Daegu, 2017: Saturday 28 October.

    confidence: determinate

Say it like this

In Daegu, Gopāṣṭamī 2017 falls on Saturday 28 October. Aṣṭamī runs from 18:15 on Fri 27 Oct to 20:21 on Sat 28 Oct and covers all of madhyāhna that midday.

ahargana.org/daegu/festivals/2017/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 28 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 28 Oct
compat-drikpanchangComparison profileSat 28 Oct
No institution has a recorded ruling for Daegu.

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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles02:15 → 04:2112:1348 min12:130 min27 Oct
Chicago04:15 → 06:2112:1048 min12:100 min27 Oct
Jersey City05:15 → 07:2112:1648 min12:160 min27 Oct
Port of Spain05:15 → 07:2111:2648 min11:260 min27 Oct
London10:15 → 12:2112:2048 min12:201 min27 Oct
Durban11:15 → 13:2111:1648 min11:1648 min27 Oct
Dubai13:15 → 15:2111:380 min11:3848 min28 Oct
Delhi14:45 → 16:5111:410 min11:4148 min28 Oct
Kolkata14:45 → 16:5110:560 min10:5648 min28 Oct
Singapore17:15 → 19:2112:240 min12:2448 min28 Oct
Sydney20:15 → 22:2112:150 min12:1548 min28 Oct
Suva21:15 → 23:2111:260 min11:2648 min28 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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