Ruling · Karaka Caturthī (Karwa Chauth) · 2079

Friday 13 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 40 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 Friday 13 October

Taken. The only moonrise Caturthī holds at.

19:10 moonrise
Caturthī begins 18:29:20
17:5818:2218:4619:1019:3419:5820:22

Holds at moonrise

Moonrise of Saturday 14 October

Caturthī does not hold at moonrise. Not taken.

19:53 moonrise
18:4119:0519:2919:5320:1720:4121:05

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 18:29 on Fri 13 Oct to 15:52 on Sat 14 Oct.

    2079-10-13T10:29:20Z → 2079-10-14T07:51:33Z

  2. 02

    Kāla

    Moonrise is at 19:10 on the 13th and 19:53 on the 14th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Caturthī must be current at moonrise. It is on the 13th and is not on the 14th.

    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 2412 s

  5. 05

    Ruling

    Karaka Caturthī, Baoding, 2079: Friday 13 October.

    confidence: determinate

Say it like this

In Baoding, Karaka Caturthī (Karwa Chauth) 2079 falls on Friday 13 October. Caturthī runs from 18:29 on Fri 13 Oct to 15:52 on Sat 14 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/2079/karaka-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 13 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 13 Oct
compat-drikpanchangComparison profileFri 13 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 13thCoveredMoonrise 14thCoveredRuled
Los Angeles03:29 → 00:5220:27holds21:19no13 Oct
Chicago05:29 → 02:5219:55holds20:42no13 Oct
Jersey City06:29 → 03:5220:03holds20:51no13 Oct
Port of Spain06:29 → 03:5220:26holds21:25no13 Oct
London11:29 → 08:5219:14holds19:49no13 Oct
Durban12:29 → 09:5221:22holds22:33no13 Oct
Dubai14:29 → 11:5219:52holds20:44no13 Oct
Delhi15:59 → 13:2219:43holds20:33no13 Oct
Kolkata15:59 → 13:2219:10holds20:03no13 Oct
Singapore18:29 → 15:5221:15holds22:15no13 Oct
Sydney21:29 → 18:5222:08holds23:21no13 Oct
Suva22:29 → 19:5220:39no21:45no13 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