Ruling · Ahoyī Aṣṭamī (Ahoi Ashtami) · 2021

Thursday 28 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 436 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 Thursday 28 October

Taken. The only moonrise Aṣṭamī holds at.

22:53 moonrise
21:4122:0522:2922:5323:1723:4100:05

Holds at moonrise

Moonrise of Friday 29 October

Aṣṭamī does not hold at moonrise. Not taken.

23:56 moonrise
22:4423:0823:3223:5600:2000:4401:08

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 15:20 on Thu 28 Oct to 16:40 on Fri 29 Oct.

    2021-10-28T07:19:38Z → 2021-10-29T08:39:55Z

  2. 02

    Kāla

    Moonrise is at 22:53 on the 28th and 23:56 on the 29th.

    moonrise: disc centre, 31′

  3. 03

    Rule

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

    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 26180 s

  5. 05

    Ruling

    Ahoyī Aṣṭamī, Baoding, 2021: Thursday 28 October.

    confidence: determinate

Say it like this

In Baoding, Ahoyī Aṣṭamī (Ahoi Ashtami) 2021 falls on Thursday 28 October. Aṣṭamī runs from 15:20 on Thu 28 Oct to 16:40 on Fri 29 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/2021/ahoyi-ashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 28 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 28 Oct
compat-drikpanchangComparison profileThu 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 Angeles00:20 → 01:4000:22holds01:24no28 Oct
Chicago02:20 → 03:4023:52holds00:58no28 Oct
Jersey City03:20 → 04:4023:59holds01:04no28 Oct
Port of Spain03:20 → 04:4000:14holds01:07no28 Oct
London08:20 → 09:4023:05holds00:18no28 Oct
Durban09:20 → 10:4001:08holds01:48no28 Oct
Dubai11:20 → 12:4023:40holds00:38no28 Oct
Delhi12:50 → 14:1023:31holds00:30no28 Oct
Kolkata12:50 → 14:1022:59holds23:55no28 Oct
Singapore15:20 → 16:4001:05holds01:56no28 Oct
Sydney18:20 → 19:4002:04holds02:44no28 Oct
Suva19:20 → 20:4000:34holds01:20no28 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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