Ruling · Ahoyī Aṣṭamī (Ahoi Ashtami) · 1983

Friday 28 October

Boundaryin Baoding, under the Rashtriya Panchang method. Aṣṭamī reaches moonrise on neither day and the rule does not say what then. Say “contested”.

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 28 October

Taken. Aṣṭamī reaches neither moonrise; this is the day it falls on.

22:33 moonrise
21:2121:4522:0922:3322:5723:2123:45

Absent at moonrise

Moonrise of Saturday 29 October

Aṣṭamī does not hold at moonrise. Not taken.

23:42 moonrise
Aṣṭamī ends 22:34:44
22:3022:5423:1823:4200:0600:3000:54

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 00:35 on Sat 29 Oct to 22:35 on Sat 29 Oct.

    1983-10-28T16:34:50Z → 1983-10-29T14:34:45Z

  2. 02

    Kāla

    Moonrise is at 22:33 on the 28th and 23:42 on the 29th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Aṣṭamī must be current at moonrise. It is not on the 28th and is not on the 29th.

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

  4. 04

    Tie-break

    Neither moonrise qualifies. The day the tithi falls on is taken.

    priority: paraviddha → tithi-day · margin 4055 s

  5. 05

    Ruling

    Ahoyī Aṣṭamī, Baoding, 1983: Friday 28 October.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Ahoyī Aṣṭamī (Ahoi Ashtami) 1983 falls on Friday 28 October. Aṣṭamī runs from 00:35 on Sat 29 Oct to 22:35 on Sat 29 Oct, and is current at moonrise on neither day.

ahargana.org/baoding/festivals/1983/ahoyi-ashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 28 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 28 Oct
compat-drikpanchangComparison profileFri 28 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 28thCoveredMoonrise 29thCoveredRuled
Los Angeles09:35 → 07:3500:06holds01:15no28 Oct
Chicago11:35 → 09:3523:34holds00:48no28 Oct
Jersey City12:35 → 10:3523:41holds00:54no28 Oct
Port of Spain12:35 → 10:3523:57holds00:58no28 Oct
London16:35 → 14:3521:46holds23:06no28 Oct
Durban18:35 → 16:3500:51holds01:39no28 Oct
Dubai20:35 → 18:3523:21holds00:26no28 Oct
Delhi22:05 → 20:0523:11holds00:17no28 Oct
Kolkata22:05 → 20:0522:38holds23:42no28 Oct
Singapore00:35 → 22:3500:45holds01:44no28 Oct
Sydney02:35 → 00:3500:43no01:32no28 Oct
Suva04:35 → 02:3500:12no01:07holds29 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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