Ruling · Ahoyī Aṣṭamī · 2057

Saturday 20 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 640 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 Saturday 20 October

Taken. The only moonrise Aṣṭamī holds at.

23:00 moonrise
21:4822:1222:3623:0023:2423:4800:12

Holds at moonrise

Moonrise of Sunday 21 October

Aṣṭamī does not hold at moonrise. Not taken.

23:58 moonrise
22:4623:1023:3423:5800:2200:4601:10

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 10:55 on Sat 20 Oct to 13:18 on Sun 21 Oct.

    2057-10-20T02:55:21Z → 2057-10-21T05:18:01Z

  2. 02

    Kāla

    Moonrise is at 23:00 on the 20th and 23:58 on the 21st.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Aṣṭamī must be current at moonrise. It is on the 20th and is not 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 38374 s

  5. 05

    Ruling

    Ahoyī Aṣṭamī, Baoding, 2057: Saturday 20 October.

    confidence: determinate

Say it like this

In Baoding, Ahoyī Aṣṭamī 2057 falls on Saturday 20 October. Aṣṭamī runs from 10:55 on Sat 20 Oct to 13:18 on Sun 21 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/2057/ahoyi-ashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 20 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 20 Oct
compat-drikpanchangComparison profileSat 20 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 20thCoveredMoonrise 21stCoveredRuled
Los Angeles19:55 → 22:1800:25no01:22no19 Oct
Chicago21:55 → 00:1823:55holds00:56no20 Oct
Jersey City22:55 → 01:1800:02holds01:02no20 Oct
Port of Spain22:55 → 01:1800:17holds01:08no20 Oct
London03:55 → 06:1823:11holds00:16no20 Oct
Durban04:55 → 07:1801:11holds01:53no20 Oct
Dubai06:55 → 09:1823:45holds00:39no20 Oct
Delhi08:25 → 10:4823:36holds00:31no20 Oct
Kolkata08:25 → 10:4823:04holds23:57no20 Oct
Singapore10:55 → 13:1801:09holds01:58no20 Oct
Sydney13:55 → 16:1802:06holds02:48no20 Oct
Suva14:55 → 17:1800:37holds01:23no20 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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