Ruling · Ahoyī Aṣṭamī · 1908

Saturday 17 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 76 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two moonrises

One ghaṭī is 24 minutes. The moonrise is read as disc centre, 31′.

Moonrise of Friday 16 October

Aṣṭamī does not hold at moonrise. Not taken.

21:23 moonrise
20:1120:3520:5921:2321:4722:1122:35

Absent at moonrise

Moonrise of Saturday 17 October

Taken. The only moonrise Aṣṭamī holds at.

22:20 moonrise
21:0821:3221:5622:2022:4423:0823:32

Holds at moonrise

Aṣṭamī presentMoonrise, the instant the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 22:39 on Fri 16 Oct to 00:39 on Sun 18 Oct.

    1908-10-16T14:38:30Z → 1908-10-17T16:39:26Z

  2. 02

    Kāla

    Moonrise is at 21:23 on the 16th and 22:20 on the 17th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Aṣṭamī must be current at moonrise. It is not on the 16th and is on the 17th.

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

  4. 04

    Tie-break

    Only one moonrise qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 4534 s

  5. 05

    Ruling

    Ahoyī Aṣṭamī, Daqing, 1908: Saturday 17 October.

    confidence: determinate

Say it like this

In Daqing, Ahoyī Aṣṭamī 1908 falls on Saturday 17 October. Aṣṭamī runs from 22:39 on Fri 16 Oct to 00:39 on Sun 18 Oct and is current at moonrise that day.

ahargana.org/daqing/festivals/1908/ahoyi-ashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 17 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 17 Oct
compat-drikpanchangComparison profileSat 17 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/ahoyi-ashtami · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Moonrise
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 104

“K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMoonrise 16thCoveredMoonrise 17thCoveredRuled
Los Angeles06:39 → 08:3922:55holds23:51no16 Oct
Chicago08:39 → 10:3922:25holds23:22no16 Oct
Jersey City09:39 → 11:3922:32holds23:29no16 Oct
Port of Spain10:39 → 12:3923:51holds00:42no16 Oct
London14:39 → 16:3921:39holds22:39no16 Oct
Durban16:39 → 18:3900:48holds01:34no16 Oct
Dubai18:20 → 20:2022:59holds23:52no16 Oct
Delhi20:09 → 22:0923:08holds00:02no16 Oct
Kolkata20:09 → 22:0922:36holds23:29no16 Oct
Singapore21:39 → 23:3923:43holds00:34no16 Oct
Sydney00:39 → 02:3900:42holds01:28holds17 Oct
Suva02:34 → 04:3400:07no00:56holds17 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
ahoyi-ashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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