Ruling · Karaka Caturthī (Karwa Chauth) · 1986

Tuesday 21 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 594 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 21 October

Taken. The only moonrise Caturthī holds at.

19:17 moonrise
18:0518:2918:5319:1719:4120:0520:29

Holds at moonrise

Moonrise of Wednesday 22 October

Caturthī does not hold at moonrise. Not taken.

19:58 moonrise
18:4619:1019:3419:5820:2220:4621:10

Absent 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 07:48 on Tue 21 Oct to 10:05 on Wed 22 Oct.

    1986-10-20T23:48:22Z → 1986-10-22T02:04:33Z

  2. 02

    Kāla

    Moonrise is at 19:17 on the 21st and 19:58 on the 22nd.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Caturthī must be current at moonrise. It is on the 21st and is not on the 22nd.

    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 35635 s

  5. 05

    Ruling

    Karaka Caturthī, Baoding, 1986: Tuesday 21 October.

    confidence: determinate

Say it like this

In Baoding, Karaka Caturthī (Karwa Chauth) 1986 falls on Tuesday 21 October. Caturthī runs from 07:48 on Tue 21 Oct to 10:05 on Wed 22 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/1986/karaka-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 21 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 21 Oct
compat-drikpanchangComparison profileTue 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/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 20thCoveredMoonrise 22ndCoveredRuled
Los Angeles16:48 → 19:0519:54holds21:22no20 Oct
Chicago18:48 → 21:0519:24holds20:45no20 Oct
Jersey City19:48 → 22:0519:32no20:53no21 Oct
Port of Spain19:48 → 22:0519:54holds21:31no20 Oct
London00:48 → 03:0518:45no19:48no21 Oct
Durban01:48 → 04:0520:52no22:46no21 Oct
Dubai03:48 → 06:0519:24no20:51no21 Oct
Delhi05:18 → 07:3519:16no20:41no21 Oct
Kolkata05:18 → 07:3518:43no20:11no21 Oct
Singapore07:48 → 10:0520:48no22:27no21 Oct
Sydney10:48 → 13:0521:42no23:40no21 Oct
Suva11:48 → 14:0520:14no22:02no21 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