Ruling · Ahoyī Aṣṭamī · 1921

Monday 24 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 25 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 Sunday 23 October

Aṣṭamī does not hold at moonrise. Not taken.

21:54 moonrise
20:4221:0621:3021:5422:1822:4223:06

Absent at moonrise

Moonrise of Monday 24 October

Taken. The only moonrise Aṣṭamī holds at.

23:03 moonrise
Aṣṭamī ends 23:27:39
21:5122:1522:3923:0323:2723:5100:15

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 01:32 on Mon 24 Oct to 23:28 on Mon 24 Oct.

    1921-10-23T17:31:31Z → 1921-10-24T15:27:39Z

  2. 02

    Kāla

    Moonrise is at 21:54 on the 23rd and 23:03 on the 24th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Aṣṭamī must be current at moonrise. It is not on the 23rd and is on the 24th.

    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 1483 s

  5. 05

    Ruling

    Ahoyī Aṣṭamī, Daqing, 1921: Monday 24 October.

    confidence: determinate

Say it like this

In Daqing, Ahoyī Aṣṭamī 1921 falls on Monday 24 October. Aṣṭamī runs from 01:32 on Mon 24 Oct to 23:28 on Mon 24 Oct and is current at moonrise that day.

ahargana.org/daqing/festivals/1921/ahoyi-ashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 24 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 24 Oct
compat-drikpanchangComparison profileMon 24 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 23rdCoveredMoonrise 24thCoveredRuled
Los Angeles09:32 → 07:2823:17holds00:22no23 Oct
Chicago12:32 → 10:2823:56holds01:03no23 Oct
Jersey City12:32 → 10:2823:01holds00:08no23 Oct
Port of Spain13:32 → 11:2823:52holds00:49no23 Oct
London17:32 → 15:2822:24holds23:37no23 Oct
Durban19:32 → 17:2800:18holds01:06no23 Oct
Dubai21:32 → 19:2823:27holds00:28no23 Oct
Delhi23:02 → 20:5823:20holds00:22no23 Oct
Kolkata23:02 → 20:5822:43no23:43no23 Oct
Singapore00:32 → 22:2823:35no00:31no23 Oct
Sydney03:32 → 01:2800:08no00:56holds24 Oct
Suva05:32 → 03:2823:51no00:42holds24 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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