Ruling · Karaka Caturthī (Karwa Chauth) · 2091

Wednesday 31 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 307 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 Tuesday 30 October

Caturthī does not hold at moonrise. Not taken.

19:27 moonrise
18:1518:3919:0319:2719:5120:1520:39

Absent at moonrise

Moonrise of Wednesday 31 October

Taken. The only moonrise Caturthī holds at.

20:09 moonrise
18:5719:2119:4520:0920:3320:5721:21

Holds at moonrise

Caturthī presentMoonrise, the instant the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 00:34 on Wed 31 Oct to 02:40 on Thu 1 Nov.

    2091-10-30T16:34:12Z → 2091-10-31T18:39:38Z

  2. 02

    Kāla

    Moonrise is at 19:27 on the 30th and 20:09 on the 31st.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Caturthī must be current at moonrise. It is not on the 30th and is on the 31st.

    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: purvaviddha → only-day · margin 18427 s

  5. 05

    Ruling

    Karaka Caturthī, Baoding, 2091: Wednesday 31 October.

    confidence: determinate

Say it like this

In Baoding, Karaka Caturthī (Karwa Chauth) 2091 falls on Wednesday 31 October. Caturthī runs from 00:34 on Wed 31 Oct to 02:40 on Thu 1 Nov and is current at moonrise that day.

ahargana.org/baoding/festivals/2091/karaka-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 31 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 31 Oct
compat-drikpanchangComparison profileWed 31 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/karaka-chaturthi · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Kṛṣṇa · Caturthī
Kāla
Moonrise
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturthīMoonrise 30thCoveredMoonrise 31stCoveredRuled
Los Angeles09:34 → 11:4020:39holds21:25no30 Oct
Chicago11:34 → 13:4020:16holds21:00no30 Oct
Jersey City12:34 → 14:4020:23holds21:07no30 Oct
Port of Spain12:34 → 14:4020:23holds21:10no30 Oct
London16:34 → 18:4018:47holds19:28no30 Oct
Durban18:34 → 20:4020:59holds21:50no30 Oct
Dubai20:34 → 22:4020:00no20:45holds31 Oct
Delhi22:04 → 00:1019:54no20:38holds31 Oct
Kolkata22:04 → 00:1019:17no20:03holds31 Oct
Singapore00:34 → 02:4021:12no22:00holds31 Oct
Sydney03:34 → 05:4021:48no22:40holds31 Oct
Suva04:34 → 06:4020:30no21:20holds31 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
karaka-chaturthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa