Ruling · Ahoyī Aṣṭamī (Ahoi Ashtami) · 2018

Wednesday 31 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 577 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 31 October

Taken. The only moonrise Aṣṭamī holds at.

23:17 moonrise
22:0522:2922:5323:1723:4100:0500:29

Holds at moonrise

Moonrise of Thursday 1 November

Aṣṭamī does not hold at moonrise. Not taken.

00:25 moonrise
23:1323:3700:0100:2500:4901:1301:37

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 13:40 on Wed 31 Oct to 11:40 on Thu 1 Nov.

    2018-10-31T05:40:05Z → 2018-11-01T03:40:17Z

  2. 02

    Kāla

    Moonrise is at 23:17 on the 31st and 00:25 on the 1st.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Aṣṭamī must be current at moonrise. It is on the 31st and is not on the 1st.

    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 34593 s

  5. 05

    Ruling

    Ahoyī Aṣṭamī, Baoding, 2018: Wednesday 31 October.

    confidence: determinate

Say it like this

In Baoding, Ahoyī Aṣṭamī (Ahoi Ashtami) 2018 falls on Wednesday 31 October. Aṣṭamī runs from 13:40 on Wed 31 Oct to 11:40 on Thu 1 Nov and is current at moonrise that day.

ahargana.org/baoding/festivals/2018/ahoyi-ashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 31 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 31 Oct
compat-drikpanchangComparison profileWed 31 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 31stCoveredMoonrise 1stCoveredRuled
Los Angeles22:40 → 20:4000:45no01:51no30 Oct
Chicago00:40 → 22:4000:20no01:31no30 Oct
Jersey City01:40 → 23:4000:26no01:36no30 Oct
Port of Spain01:40 → 23:4000:25no01:23no30 Oct
London05:40 → 03:4022:44holds00:00no31 Oct
Durban07:40 → 05:4001:00holds01:46no31 Oct
Dubai09:40 → 07:4023:56holds00:59no31 Oct
Delhi11:10 → 09:1023:48holds00:52no31 Oct
Kolkata11:10 → 09:1023:12holds00:14no31 Oct
Singapore13:40 → 11:4001:09holds02:06no31 Oct
Sydney16:40 → 14:4001:51holds02:37no31 Oct
Suva17:40 → 15:4000:29holds01:20no31 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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