Ruling · Mahāṣṭamī (Durga Ashtami) · 1944

Monday 25 September

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 176 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 Monday 25 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

48 of 48 minutes covered

Midday of Tuesday 26 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

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 09:11 on Mon 25 Sep to 08:52 on Tue 26 Sep.

    1944-09-25T00:11:19Z → 1944-09-25T23:52:04Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 25th, 12:07–12:55 on the 26th.

    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 25th and 0 of 48 on the 26th.

    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 10564 s

  5. 05

    Ruling

    Mahāṣṭamī, Daqing, 1944: Monday 25 September.

    confidence: determinate

Say it like this

In Daqing, Mahāṣṭamī (Durga Ashtami) 1944 falls on Monday 25 September. Aṣṭamī runs from 09:11 on Mon 25 Sep to 08:52 on Tue 26 Sep and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1944/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 25 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 25 Sep
compat-drikpanchangComparison profileMon 25 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles17:11 → 16:5212:2048 min12:200 min25 Sep
Chicago19:11 → 18:5212:1848 min12:180 min25 Sep
Jersey City20:11 → 19:5212:2448 min12:230 min25 Sep
Port of Spain21:11 → 20:5212:3448 min12:330 min25 Sep
London01:11 → 00:5212:2848 min12:270 min25 Sep
Durban02:11 → 01:5211:2448 min11:230 min25 Sep
Dubai04:11 → 03:5211:4648 min11:460 min25 Sep
Delhi06:41 → 06:2212:4948 min12:480 min25 Sep
Kolkata06:41 → 06:2212:0448 min12:040 min25 Sep
Singapore09:11 → 08:5213:3248 min13:320 min25 Sep
Sydney10:11 → 09:5211:2348 min11:230 min25 Sep
Suva12:11 → 11:5211:3411 min11:3418 min26 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

About Ahargaṇa