Ruling · Karaka Caturthī (Karwa Chauth) · 2033

Tuesday 11 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 562 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 Monday 10 October

Caturthī does not hold at moonrise. Not taken.

19:15 moonrise
18:0318:2718:5119:1519:3920:0320:27

Absent at moonrise

Moonrise of Tuesday 11 October

Taken. The only moonrise Caturthī holds at.

20:04 moonrise
18:5219:1619:4020:0420:2820:5221:16

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 08:16 on Tue 11 Oct to 05:26 on Wed 12 Oct.

    2033-10-11T00:16:23Z → 2033-10-11T21:25:53Z

  2. 02

    Kāla

    Moonrise is at 19:15 on the 10th and 20:04 on the 11th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Caturthī must be current at moonrise. It is not on the 10th and is on the 11th.

    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 33724 s

  5. 05

    Ruling

    Karaka Caturthī, Baoding, 2033: Tuesday 11 October.

    confidence: determinate

Say it like this

In Baoding, Karaka Caturthī (Karwa Chauth) 2033 falls on Tuesday 11 October. Caturthī runs from 08:16 on Tue 11 Oct to 05:26 on Wed 12 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/2033/karaka-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 11 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 11 Oct
compat-drikpanchangComparison profileTue 11 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 11thCoveredMoonrise 12thCoveredRuled
Los Angeles17:16 → 14:2621:22no22:17no10 Oct
Chicago19:16 → 16:2620:59no21:52no10 Oct
Jersey City20:16 → 17:2621:05no21:59no10 Oct
Port of Spain20:16 → 17:2621:03no22:00no10 Oct
London01:16 → 22:2620:29holds21:19no11 Oct
Durban02:16 → 23:2621:35holds22:35no11 Oct
Dubai04:16 → 01:2620:37holds21:32no11 Oct
Delhi05:46 → 02:5620:31holds21:25no11 Oct
Kolkata05:46 → 02:5619:54holds20:49no11 Oct
Singapore08:16 → 05:2621:47holds22:45no11 Oct
Sydney11:16 → 08:2622:20holds23:23no11 Oct
Suva12:16 → 09:2621:01holds22:02no11 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