Ruling · Mahāṣṭamī (Durga Ashtami) · 1919

Thursday 2 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 337 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

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 Thursday 2 October

Taken. The only midday Aṣṭamī reaches.

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

48 of 48 minutes covered

Midday of Friday 3 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 03:37 on Thu 2 Oct to 05:28 on Fri 3 Oct.

    1919-10-01T19:36:49Z → 1919-10-02T21:27:46Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 2nd, 11:05–11:53 on the 3rd.

    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 2nd and 0 of 48 on the 3rd.

    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 20237 s

  5. 05

    Ruling

    Mahāṣṭamī, Daqing, 1919: Thursday 2 October.

    confidence: determinate

Say it like this

In Daqing, Mahāṣṭamī (Durga Ashtami) 1919 falls on Thursday 2 October. Aṣṭamī runs from 03:37 on Thu 2 Oct to 05:28 on Fri 3 Oct and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1919/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 2 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 2 Oct
compat-drikpanchangComparison profileThu 2 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 Angeles12:37 → 14:2812:1930 min12:1848 min2 Oct
Chicago14:37 → 16:2812:160 min12:1648 min2 Oct
Jersey City15:37 → 17:2812:220 min12:2248 min2 Oct
Port of Spain15:37 → 17:2811:320 min11:3248 min2 Oct
London19:37 → 21:2811:260 min11:2648 min2 Oct
Durban21:37 → 23:2811:220 min11:2248 min2 Oct
Dubai23:18 → 01:0911:260 min11:2548 min2 Oct
Delhi01:07 → 02:5811:470 min11:4748 min2 Oct
Kolkata01:07 → 02:5811:020 min11:0248 min2 Oct
Singapore02:37 → 04:2811:310 min11:3048 min2 Oct
Sydney05:37 → 07:2811:220 min11:2148 min2 Oct
Suva07:37 → 09:2811:330 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

About Ahargaṇa