Ruling · Mahāṣṭamī (Durgāṣṭamī) · 1995

Sunday 1 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 11 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 1 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:06  11:54 madhyāhna ends
Aṣṭamī begins 11:42:16
10:1810:4211:0611:3011:5412:1812:42

11 of 48 minutes covered, the last 11

Midday of Monday 2 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:05  11:53 madhyāhna ends
10:1710:4111:0511:2911:5312:1712:41

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 11:42 on Sun 1 Oct to 09:30 on Mon 2 Oct.

    1995-10-01T03:42:16Z → 1995-10-02T01:29:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 1st, 11:05–11:53 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 11 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: paraviddha → only-day · margin 675 s

  5. 05

    Ruling

    Mahāṣṭamī, Daqing, 1995: Sunday 1 October.

    confidence: determinate

Say it like this

In Daqing, Mahāṣṭamī (Durga Ashtami) 1995 falls on Sunday 1 October. Aṣṭamī runs from 11:42 on Sun 1 Oct to 09:30 on Mon 2 Oct and covers 11 of 48 minutes of madhyāhna that midday.

ahargana.org/daqing/festivals/1995/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 1 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 1 Oct
compat-drikpanchangComparison profileSun 1 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/mahashtami · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Śukla · Aṣṭamī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 104

“S 8 Mahastami (paraviddha)” 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 Angeles20:42 → 18:3012:1848 min12:180 min1 Oct
Chicago22:42 → 20:3012:1648 min12:160 min1 Oct
Jersey City23:42 → 21:3012:2248 min12:210 min1 Oct
Port of Spain23:42 → 21:3011:3248 min11:310 min1 Oct
London04:42 → 02:3012:2648 min12:260 min1 Oct
Durban05:42 → 03:3011:2248 min11:220 min1 Oct
Dubai07:42 → 05:3011:4448 min11:440 min1 Oct
Delhi09:12 → 07:0011:4748 min11:460 min1 Oct
Kolkata09:12 → 07:0011:0248 min11:020 min1 Oct
Singapore11:42 → 09:3012:3048 min12:300 min1 Oct
Sydney13:42 → 11:3011:210 min11:219 min2 Oct
Suva15:42 → 13:3011:320 min11:3248 min2 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mahashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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