Ruling · Mahāṣṭamī (Durga Ashtami) · 2061

Saturday 22 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 15 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 Friday 21 October

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:00  11:48 madhyāhna ends
10:1210:3611:0011:2411:4812:1212:36

48 of 48 minutes covered

Midday of Saturday 22 October

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 11:00  11:48 madhyāhna ends
Aṣṭamī ends 11:14:41
10:1210:3611:0011:2411:4812:1212:36

14 of 48 minutes covered, the first 14

Aṣṭamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 09:27 on Fri 21 Oct to 11:15 on Sat 22 Oct.

    2061-10-21T01:27:13Z → 2061-10-22T03:14:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 21st, 11:00–11:48 on the 22nd.

    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 21st and 14 of 48 on the 22nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 870 s

  5. 05

    Ruling

    Mahāṣṭamī, Daqing, 2061: Saturday 22 October.

    confidence: determinate

Say it like this

In Daqing, Mahāṣṭamī (Durga Ashtami) 2061 falls on Saturday 22 October. Aṣṭamī runs from 09:27 on Fri 21 Oct to 11:15 on Sat 22 Oct and covers 14 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.

ahargana.org/daqing/festivals/2061/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 22 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 22 Oct
compat-drikpanchangComparison profileSat 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles18:27 → 20:1512:1348 min12:130 min21 Oct
Chicago20:27 → 22:1512:1148 min12:110 min21 Oct
Jersey City21:27 → 23:1512:1748 min12:160 min21 Oct
Port of Spain21:27 → 23:1511:2748 min11:260 min21 Oct
London02:27 → 04:1512:2148 min12:210 min21 Oct
Durban03:27 → 05:1511:1748 min11:170 min21 Oct
Dubai05:27 → 07:1511:3948 min11:390 min21 Oct
Delhi06:57 → 08:4511:4248 min11:410 min21 Oct
Kolkata06:57 → 08:4510:5748 min10:570 min21 Oct
Singapore09:27 → 11:1512:2548 min12:250 min21 Oct
Sydney12:27 → 14:1512:1637 min12:1648 min22 Oct
Suva13:27 → 15:1511:270 min11:2748 min22 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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