Ruling · Nāga Caturthī · 1948

Thursday 4 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 157 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 Thursday 4 November

Taken. The only midday Caturthī reaches.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

48 of 48 minutes covered

Midday of Friday 5 November

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

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 09:00 on Thu 4 Nov to 08:36 on Fri 5 Nov.

    1948-11-04T01:00:05Z → 1948-11-05T00:35:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 4th, 11:38–12:26 on the 5th.

    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 4th and 0 of 48 on the 5th.

    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 9447 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 1948: Thursday 4 November.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 1948 falls on Thursday 4 November. Caturthī runs from 09:00 on Thu 4 Nov to 08:36 on Fri 5 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1948/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 4 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 4 Nov
compat-drikpanchangComparison profileThu 4 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles18:00 → 17:3612:1248 min12:120 min4 Nov
Chicago19:00 → 18:3611:1048 min11:100 min4 Nov
Jersey City20:00 → 19:3611:1648 min11:160 min4 Nov
Port of Spain21:00 → 20:3611:2648 min11:260 min4 Nov
London01:00 → 00:3611:2048 min11:200 min4 Nov
Durban03:00 → 02:3611:1648 min11:160 min4 Nov
Dubai05:00 → 04:3611:3848 min11:380 min4 Nov
Delhi06:30 → 06:0611:4148 min11:410 min4 Nov
Kolkata06:30 → 06:0610:5648 min10:560 min4 Nov
Singapore08:30 → 08:0611:5448 min11:540 min4 Nov
Sydney11:00 → 10:3611:1548 min11:150 min4 Nov
Suva13:00 → 12:3611:260 min11:2648 min5 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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