Ruling · Ahoyī Aṣṭamī (Ahoi Ashtami) · 2017

Thursday 12 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 490 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 Wednesday 11 October

Aṣṭamī does not hold at moonrise. Not taken.

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

Absent at moonrise

Moonrise of Thursday 12 October

Taken. The only moonrise Aṣṭamī holds at.

23:20 moonrise
22:0822:3222:5623:2023:4400:0800:32

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 09:26 on Thu 12 Oct to 07:29 on Fri 13 Oct.

    2017-10-12T01:26:00Z → 2017-10-12T23:29:26Z

  2. 02

    Kāla

    Moonrise is at 22:20 on the 11th and 23:20 on the 12th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Aṣṭamī must be current at moonrise. It is not on the 11th and is on the 12th.

    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 29392 s

  5. 05

    Ruling

    Ahoyī Aṣṭamī, Baoding, 2017: Thursday 12 October.

    confidence: determinate

Say it like this

In Baoding, Ahoyī Aṣṭamī (Ahoi Ashtami) 2017 falls on Thursday 12 October. Aṣṭamī runs from 09:26 on Thu 12 Oct to 07:29 on Fri 13 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/2017/ahoyi-ashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 12 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 12 Oct
compat-drikpanchangComparison profileThu 12 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 12thCoveredMoonrise 13thCoveredRuled
Los Angeles18:26 → 16:2900:45no01:48no11 Oct
Chicago20:26 → 18:2900:20no01:25no11 Oct
Jersey City21:26 → 19:2900:26no01:31no11 Oct
Port of Spain21:26 → 19:2900:28no01:25no11 Oct
London02:26 → 00:2923:44holds00:52no12 Oct
Durban03:26 → 01:2901:05holds01:55no12 Oct
Dubai05:26 → 03:2923:59holds00:59no12 Oct
Delhi06:56 → 04:5923:51holds00:52no12 Oct
Kolkata06:56 → 04:5923:15holds00:15no12 Oct
Singapore09:26 → 07:2901:13holds02:10no12 Oct
Sydney12:26 → 10:2901:54holds02:46no12 Oct
Suva13:26 → 11:2900:32holds01:26no12 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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