Ruling · Gopāṣṭamī (Goṣṭhāṣṭamī) · 2020

Sunday 22 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 619 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

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

Midday of Sunday 22 November

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:40  12:28 madhyāhna ends
10:5211:1611:4012:0412:2812:5213:16

48 of 48 minutes covered

Midday of Monday 23 November

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:40  12:28 madhyāhna ends
10:5211:1611:4012:0412:2812:5213:16

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 00:19 on Sun 22 Nov to 01:22 on Mon 23 Nov.

    2020-11-21T16:18:43Z → 2020-11-22T17:21:47Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 22nd, 11:40–12:28 on the 23rd.

    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 22nd and 0 of 48 on the 23rd.

    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 37118 s

  5. 05

    Ruling

    Gopāṣṭamī, Baoding, 2020: Sunday 22 November.

    confidence: determinate

Say it like this

In Baoding, Gopāṣṭamī 2020 falls on Sunday 22 November. Aṣṭamī runs from 00:19 on Sun 22 Nov to 01:22 on Mon 23 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2020/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 22 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 22 Nov
compat-drikpanchangComparison profileSun 22 Nov
No institution has a recorded ruling for Baoding.

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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles08:19 → 09:2211:1548 min11:150 min21 Nov
Chicago10:19 → 11:2211:1248 min11:139 min21 Nov
Jersey City11:19 → 12:2211:1847 min11:1848 min22 Nov
Port of Spain12:19 → 13:2211:280 min11:2848 min22 Nov
London16:19 → 17:2211:220 min11:2348 min22 Nov
Durban18:19 → 19:2211:180 min11:1848 min22 Nov
Dubai20:19 → 21:2211:410 min11:4148 min22 Nov
Delhi21:49 → 22:5211:430 min11:4348 min22 Nov
Kolkata21:49 → 22:5210:580 min10:5948 min22 Nov
Singapore00:19 → 01:2212:260 min12:2748 min22 Nov
Sydney03:19 → 04:2212:170 min12:1748 min22 Nov
Suva04:19 → 05:2211:280 min11:2848 min22 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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