Ruling · Ahoyī Aṣṭamī · 1989

Saturday 21 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 615 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 20 October

Aṣṭamī does not hold at moonrise. Not taken.

22:02 moonrise
20:5021:1421:3822:0222:2622:5023:14

Absent at moonrise

Moonrise of Saturday 21 October

Taken. The only moonrise Aṣṭamī holds at.

23:10 moonrise
21:5822:2222:4623:1023:3423:5800:22

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 09:25 on Sat 21 Oct to 09:25 on Sun 22 Oct.

    1989-10-21T01:24:38Z → 1989-10-22T01:25:08Z

  2. 02

    Kāla

    Moonrise is at 22:02 on the 20th and 23:10 on the 21st.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Aṣṭamī must be current at moonrise. It is not on the 20th and is on the 21st.

    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 36917 s

  5. 05

    Ruling

    Ahoyī Aṣṭamī, Baoding, 1989: Saturday 21 October.

    confidence: determinate

Say it like this

In Baoding, Ahoyī Aṣṭamī 1989 falls on Saturday 21 October. Aṣṭamī runs from 09:25 on Sat 21 Oct to 09:25 on Sun 22 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/1989/ahoyi-ashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 21 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 21 Oct
compat-drikpanchangComparison profileSat 21 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 21stCoveredMoonrise 22ndCoveredRuled
Los Angeles18:25 → 18:2500:40no01:41no20 Oct
Chicago20:25 → 20:2500:12no01:19no20 Oct
Jersey City21:25 → 21:2500:18no01:25no20 Oct
Port of Spain21:25 → 21:2500:26no01:17no20 Oct
London02:25 → 02:2523:29holds00:46no21 Oct
Durban03:25 → 03:2501:12holds01:48no21 Oct
Dubai05:25 → 05:2523:55holds00:53no21 Oct
Delhi06:55 → 06:5523:46holds00:46no21 Oct
Kolkata06:55 → 06:5523:12holds00:09no21 Oct
Singapore09:25 → 09:2501:15holds02:05no21 Oct
Sydney11:25 → 11:2501:08holds01:44no21 Oct
Suva13:25 → 13:2500:42holds01:25no21 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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