Ruling · Karaka Caturthī (Karwa Chauth) · 2011

Saturday 15 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 13 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 15 October

Taken. The only moonrise Caturthī holds at.

19:16 moonrise
18:0418:2818:5219:1619:4020:0420:28

Holds at moonrise

Moonrise of Sunday 16 October

Caturthī does not hold at moonrise. Not taken.

20:01 moonrise
Caturthī ends 19:47:36
18:4919:1319:3720:0120:2520:4921:13

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 17:35 on Sat 15 Oct to 19:48 on Sun 16 Oct.

    2011-10-15T09:35:29Z → 2011-10-16T11:47:36Z

  2. 02

    Kāla

    Moonrise is at 19:16 on the 15th and 20:01 on the 16th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Caturthī must be current at moonrise. It is on the 15th and is not 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: purvaviddha → only-day · margin 794 s

  5. 05

    Ruling

    Karaka Caturthī, Baoding, 2011: Saturday 15 October.

    confidence: determinate

Say it like this

In Baoding, Karaka Caturthī (Karwa Chauth) 2011 falls on Saturday 15 October. Caturthī runs from 17:35 on Sat 15 Oct to 19:48 on Sun 16 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/2011/karaka-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 15 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 15 Oct
compat-drikpanchangComparison profileSat 15 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 15thCoveredMoonrise 16thCoveredRuled
Los Angeles02:35 → 04:4820:32holds21:21no15 Oct
Chicago04:35 → 06:4820:04holds20:52no15 Oct
Jersey City05:35 → 07:4820:12holds20:59no15 Oct
Port of Spain05:35 → 07:4820:25holds21:15no15 Oct
London10:35 → 12:4819:26holds20:10no15 Oct
Durban11:35 → 13:4821:16holds22:08no15 Oct
Dubai13:35 → 15:4819:56holds20:44no15 Oct
Delhi15:05 → 17:1819:48holds20:35no15 Oct
Kolkata15:05 → 17:1819:15holds20:02no15 Oct
Singapore17:35 → 19:4821:17holds22:07no15 Oct
Sydney20:35 → 22:4822:07holds23:00no15 Oct
Suva21:35 → 23:4820:41no21:32holds16 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