Ruling · Nāga Caturthī · 1943

Monday 1 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 264 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Monday 1 November

Taken. The only midday Caturthī reaches.

madhyāhna begins 12:38  13:26 madhyāhna ends
11:5012:1412:3813:0213:2613:5014:14

48 of 48 minutes covered

Midday of Tuesday 2 November

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 12:38  13:26 madhyāhna ends
11:5012:1412:3813:0213:2613:5014:14

0 of 48 minutes covered

Caturthī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 08:14 on Mon 1 Nov to 06:43 on Tue 2 Nov.

    1943-10-31T23:13:42Z → 1943-11-01T21:43:21Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:38–13:26 on the 1st, 12:38–13:26 on the 2nd.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 15833 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 1943: Monday 1 November.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 1943 falls on Monday 1 November. Caturthī runs from 08:14 on Mon 1 Nov to 06:43 on Tue 2 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1943/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 1 Nov
Ahargaṇa, classicalDisc centre, no refractionMon 1 Nov
compat-drikpanchangComparison profileMon 1 Nov
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/naga-chaturthi · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Caturthī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 104

“S 4 Naga caturthi (paraviddha and madhyahnavyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturthīMadhyāhna 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles16:14 → 14:4312:120 min12:1248 min1 Nov
Chicago18:14 → 16:4312:100 min12:1048 min1 Nov
Jersey City19:14 → 17:4312:160 min12:1648 min1 Nov
Port of Spain20:14 → 18:4312:260 min12:2648 min1 Nov
London00:14 → 22:4312:200 min12:2048 min1 Nov
Durban02:14 → 00:4312:160 min12:1648 min1 Nov
Dubai03:14 → 01:4311:380 min11:3848 min1 Nov
Delhi05:44 → 04:1312:410 min12:4148 min1 Nov
Kolkata05:44 → 04:1311:560 min11:5648 min1 Nov
Singapore08:14 → 06:4313:240 min13:2448 min1 Nov
Sydney10:14 → 08:4312:150 min12:1548 min1 Nov
Suva11:14 → 09:4311:260 min11:2648 min1 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
naga-chaturthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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