Ruling · Mahāṣṭamī (Durga Ashtami) · 1969

Saturday 18 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 324 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 Saturday 18 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:01  11:49 madhyāhna ends
10:1310:3711:0111:2511:4912:1312:37

48 of 48 minutes covered

Midday of Sunday 19 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:01  11:49 madhyāhna ends
10:1310:3711:0111:2511:4912:1312:37

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 05:37 on Sat 18 Oct to 03:28 on Sun 19 Oct.

    1969-10-17T21:36:39Z → 1969-10-18T19:27:35Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 18th, 11:01–11:49 on the 19th.

    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 18th and 0 of 48 on the 19th.

    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 19456 s

  5. 05

    Ruling

    Mahāṣṭamī, Daqing, 1969: Saturday 18 October.

    confidence: determinate

Say it like this

In Daqing, Mahāṣṭamī (Durga Ashtami) 1969 falls on Saturday 18 October. Aṣṭamī runs from 05:37 on Sat 18 Oct to 03:28 on Sun 19 Oct and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1969/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 18 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 18 Oct
compat-drikpanchangComparison profileSat 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles14:37 → 12:2812:140 min12:1414 min18 Oct
Chicago16:37 → 14:2812:120 min12:1148 min18 Oct
Jersey City17:37 → 15:2812:170 min12:1748 min18 Oct
Port of Spain17:37 → 15:2811:270 min11:2748 min18 Oct
London22:37 → 20:2812:210 min12:2148 min18 Oct
Durban23:37 → 21:2811:180 min11:1748 min18 Oct
Dubai01:37 → 23:2811:400 min11:4048 min18 Oct
Delhi03:07 → 00:5811:420 min11:4248 min18 Oct
Kolkata03:07 → 00:5810:580 min10:5848 min18 Oct
Singapore05:07 → 02:5811:560 min11:5648 min18 Oct
Sydney07:37 → 05:2811:170 min11:1748 min18 Oct
Suva09:37 → 07:2811:280 min11:2848 min18 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