Ruling · Ahoyī Aṣṭamī · 1922

Friday 13 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 288 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two moonrises

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

Moonrise of Friday 13 October

Taken. The only moonrise Aṣṭamī holds at.

23:03 moonrise
21:5122:1522:3923:0323:2723:5100:15

Holds at moonrise

Moonrise of Saturday 14 October

Aṣṭamī does not hold at moonrise. Not taken.

00:03 moonrise
22:5123:1523:3900:0300:2700:5101:15

Absent 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 18:15 on Fri 13 Oct to 17:25 on Sat 14 Oct.

    1922-10-13T10:15:06Z → 1922-10-14T09:25:18Z

  2. 02

    Kāla

    Moonrise is at 23:03 on the 13th and 00:03 on the 14th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Aṣṭamī must be current at moonrise. It is on the 13th and is not on the 14th.

    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 17270 s

  5. 05

    Ruling

    Ahoyī Aṣṭamī, Baoding, 1922: Friday 13 October.

    confidence: determinate

Say it like this

In Baoding, Ahoyī Aṣṭamī 1922 falls on Friday 13 October. Aṣṭamī runs from 18:15 on Fri 13 Oct to 17:25 on Sat 14 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/1922/ahoyi-ashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 13 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 13 Oct
compat-drikpanchangComparison profileFri 13 Oct
No institution has a recorded ruling for Baoding.

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 13thCoveredMoonrise 14thCoveredRuled
Los Angeles02:15 → 01:2523:26holds00:27no13 Oct
Chicago04:15 → 03:2523:02holds00:06no13 Oct
Jersey City05:15 → 04:2523:08holds00:12no13 Oct
Port of Spain06:15 → 05:2500:04holds01:00no13 Oct
London10:15 → 09:2522:30holds23:37no13 Oct
Durban12:15 → 11:2500:36holds01:25no13 Oct
Dubai14:15 → 13:2523:38holds00:37no13 Oct
Delhi15:45 → 14:5523:31holds00:30no13 Oct
Kolkata15:45 → 14:5522:55holds23:52no13 Oct
Singapore17:15 → 16:2523:50holds00:44no13 Oct
Sydney20:15 → 19:2500:26holds01:15no13 Oct
Suva22:15 → 21:2500:07holds00:58no13 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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