Ruling · Mahāṣṭamī (Durga Ashtami) · 2036

Saturday 27 September

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 476 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 Saturday 27 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:07  11:55 madhyāhna ends
10:1910:4311:0711:3111:5512:1912:43

48 of 48 minutes covered

Midday of Sunday 28 September

Aṣṭamī is absent from madhyāhna. Not taken.

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

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 01:25 on Sat 27 Sep to 03:10 on Sun 28 Sep.

    2036-09-26T17:24:37Z → 2036-09-27T19:10:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 27th, 11:06–11:54 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 48 of 48 minutes on the 27th and 0 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: paraviddha → only-day · margin 28568 s

  5. 05

    Ruling

    Mahāṣṭamī, Daqing, 2036: Saturday 27 September.

    confidence: determinate

Say it like this

In Daqing, Mahāṣṭamī (Durga Ashtami) 2036 falls on Saturday 27 September. Aṣṭamī runs from 01:25 on Sat 27 Sep to 03:10 on Sun 28 Sep and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2036/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 27 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 27 Sep
compat-drikpanchangComparison profileSat 27 Sep
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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles10:25 → 12:1012:2048 min12:190 min26 Sep
Chicago12:25 → 14:1012:1741 min12:1748 min27 Sep
Jersey City13:25 → 15:1012:230 min12:2348 min27 Sep
Port of Spain13:25 → 15:1011:330 min11:3348 min27 Sep
London18:25 → 20:1012:270 min12:2748 min27 Sep
Durban19:25 → 21:1011:230 min11:2348 min27 Sep
Dubai21:25 → 23:1011:460 min11:4548 min27 Sep
Delhi22:55 → 00:4011:480 min11:4848 min27 Sep
Kolkata22:55 → 00:4011:040 min11:0348 min27 Sep
Singapore01:25 → 03:1012:320 min12:3248 min27 Sep
Sydney03:25 → 05:1011:230 min11:2248 min27 Sep
Suva05:25 → 07:1011:340 min11:3348 min27 Sep
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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