Ruling · Karaka Caturthī (Karwa Chauth) · 1973

Monday 15 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 399 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 Sunday 14 October

Caturthī does not hold at moonrise. Not taken.

18:49 moonrise
17:3718:0118:2518:4919:1319:3720:01

Absent at moonrise

Moonrise of Monday 15 October

Taken. The only moonrise Caturthī holds at.

19:40 moonrise
18:2818:5219:1619:4020:0420:2820:52

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 04:43 on Mon 15 Oct to 02:18 on Tue 16 Oct.

    1973-10-14T20:42:56Z → 1973-10-15T18:18:26Z

  2. 02

    Kāla

    Moonrise is at 18:49 on the 14th and 19:40 on the 15th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Caturthī must be current at moonrise. It is not on the 14th and is on the 15th.

    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 23923 s

  5. 05

    Ruling

    Karaka Caturthī, Baoding, 1973: Monday 15 October.

    confidence: determinate

Say it like this

In Baoding, Karaka Caturthī (Karwa Chauth) 1973 falls on Monday 15 October. Caturthī runs from 04:43 on Mon 15 Oct to 02:18 on Tue 16 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/1973/karaka-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 15 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 15 Oct
compat-drikpanchangComparison profileMon 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 14thCoveredMoonrise 15thCoveredRuled
Los Angeles13:43 → 11:1820:09holds21:06no14 Oct
Chicago15:43 → 13:1819:40holds20:34no14 Oct
Jersey City16:43 → 14:1819:47holds20:42no14 Oct
Port of Spain16:43 → 14:1820:03holds21:02no14 Oct
London21:43 → 19:1819:00no19:48no14 Oct
Durban22:43 → 20:1820:52no21:58no14 Oct
Dubai00:43 → 22:1819:30no20:26holds15 Oct
Delhi02:13 → 23:4819:22no20:16holds15 Oct
Kolkata02:13 → 23:4818:48no19:44holds15 Oct
Singapore04:13 → 01:4820:20no21:20holds15 Oct
Sydney06:43 → 04:1820:39no21:46holds15 Oct
Suva08:43 → 06:1820:12no21:16holds15 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