Ruling · Nāga Caturthī · 1942

Thursday 12 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 47 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 Wednesday 11 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

Midday of Thursday 12 November

Taken. Caturthī reaches neither midday; the rule takes the second day.

madhyāhna begins 12:38  13:26 madhyāhna ends
Caturthī ends 11:50:59
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 14:55 on Wed 11 Nov to 11:51 on Thu 12 Nov.

    1942-11-11T05:54:31Z → 1942-11-12T02:51:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:38–13:26 on the 11th, 12:38–13:26 on the 12th.

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

  3. 03

    Rule

    Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 0 of 48 on the 12th.

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

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: paraviddha → second-day · margin 2824 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 1942: Thursday 12 November.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 1942 falls on Thursday 12 November. Caturthī runs from 14:55 on Wed 11 Nov to 11:51 on Thu 12 Nov, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/1942/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 12 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 12 Nov
compat-drikpanchangComparison profileThu 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles22:55 → 19:5112:1348 min12:130 min11 Nov
Chicago00:55 → 21:5112:1048 min12:110 min11 Nov
Jersey City01:55 → 22:5112:1648 min12:160 min11 Nov
Port of Spain02:55 → 23:5112:2648 min12:260 min11 Nov
London06:55 → 03:5112:2048 min12:200 min11 Nov
Durban08:55 → 05:5112:1648 min12:160 min11 Nov
Dubai09:55 → 06:5111:3948 min11:390 min11 Nov
Delhi12:25 → 09:2112:4148 min12:410 min11 Nov
Kolkata12:25 → 09:2111:5620 min11:570 min11 Nov
Singapore14:55 → 11:5113:250 min13:250 min12 Nov
Sydney16:55 → 13:5112:150 min12:1648 min12 Nov
Suva17:55 → 14:5111:260 min11:2748 min12 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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