Ruling · Ahoyī Aṣṭamī · 2038

Thursday 21 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 313 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 20 October

Aṣṭamī does not hold at moonrise. Not taken.

22:24 moonrise
21:1221:3622:0022:2422:4823:1223:36

Absent at moonrise

Moonrise of Thursday 21 October

Taken. The only moonrise Aṣṭamī holds at.

23:22 moonrise
22:1022:3422:5823:2223:4600:1000:34

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 04:00 on Thu 21 Oct to 04:35 on Fri 22 Oct.

    2038-10-20T19:59:45Z → 2038-10-21T20:35:03Z

  2. 02

    Kāla

    Moonrise is at 22:24 on the 20th and 23:22 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 18797 s

  5. 05

    Ruling

    Ahoyī Aṣṭamī, Baoding, 2038: Thursday 21 October.

    confidence: determinate

Say it like this

In Baoding, Ahoyī Aṣṭamī 2038 falls on Thursday 21 October. Aṣṭamī runs from 04:00 on Thu 21 Oct to 04:35 on Fri 22 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/2038/ahoyi-ashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 21 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 21 Oct
compat-drikpanchangComparison profileThu 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 20thCoveredMoonrise 21stCoveredRuled
Los Angeles13:00 → 13:3523:49holds00:49no20 Oct
Chicago15:00 → 15:3523:19holds00:21no20 Oct
Jersey City16:00 → 16:3523:26holds00:28no20 Oct
Port of Spain16:00 → 16:3523:43holds00:37no20 Oct
London21:00 → 21:3522:33holds23:38no20 Oct
Durban22:00 → 22:3500:37holds01:25no20 Oct
Dubai00:00 → 00:3523:09no00:06holds21 Oct
Delhi01:30 → 02:0523:00no23:57holds21 Oct
Kolkata01:30 → 02:0522:27no23:23holds21 Oct
Singapore04:00 → 04:3500:34no01:26holds21 Oct
Sydney07:00 → 07:3501:30no02:18holds21 Oct
Suva08:00 → 08:3500:01no00:51holds21 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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