Ruling · Ahoyī Aṣṭamī · 2090

Monday 16 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 390 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 Sunday 15 October

Aṣṭamī does not hold at moonrise. Not taken.

22:33 moonrise
21:2121:4522:0922:3322:5723:2123:45

Absent at moonrise

Moonrise of Monday 16 October

Taken. The only moonrise Aṣṭamī holds at.

23:32 moonrise
22:2022:4423:0823:3223:5600:2000:44

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 07:05 on Mon 16 Oct to 06:02 on Tue 17 Oct.

    2090-10-15T23:05:16Z → 2090-10-16T22:02:29Z

  2. 02

    Kāla

    Moonrise is at 22:33 on the 15th and 23:32 on the 16th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Aṣṭamī must be current at moonrise. It is not on the 15th and is on the 16th.

    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 23407 s

  5. 05

    Ruling

    Ahoyī Aṣṭamī, Baoding, 2090: Monday 16 October.

    confidence: determinate

Say it like this

In Baoding, Ahoyī Aṣṭamī 2090 falls on Monday 16 October. Aṣṭamī runs from 07:05 on Mon 16 Oct to 06:02 on Tue 17 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/2090/ahoyi-ashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 16 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 16 Oct
compat-drikpanchangComparison profileMon 16 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 15thCoveredMoonrise 16thCoveredRuled
Los Angeles16:05 → 15:0223:56holds00:56no15 Oct
Chicago18:05 → 17:0223:32holds00:34no15 Oct
Jersey City19:05 → 18:0223:38holds00:40no15 Oct
Port of Spain19:05 → 18:0223:36holds00:32no15 Oct
London00:05 → 23:0222:58no00:03no15 Oct
Durban01:05 → 00:0200:10no01:00no15 Oct
Dubai03:05 → 02:0223:10no00:07holds16 Oct
Delhi04:35 → 03:3223:03no00:00holds16 Oct
Kolkata04:35 → 03:3222:26no23:23holds16 Oct
Singapore07:05 → 06:0200:22no01:16holds16 Oct
Sydney10:05 → 09:0201:00no01:50holds16 Oct
Suva11:05 → 10:0223:40no00:32holds16 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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