Ruling · Nāga Caturthī · 1983

Tuesday 8 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 402 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 Tuesday 8 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 Wednesday 9 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 04:16 on Tue 8 Nov to 04:56 on Wed 9 Nov.

    1983-11-07T20:15:31Z → 1983-11-08T20:56:12Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 8th, 11:38–12:26 on the 9th.

    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 8th and 0 of 48 on the 9th.

    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 24090 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 1983: Tuesday 8 November.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 1983 falls on Tuesday 8 November. Caturthī runs from 04:16 on Tue 8 Nov to 04:56 on Wed 9 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1983/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 8 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 8 Nov
compat-drikpanchangComparison profileTue 8 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles12:16 → 12:5611:120 min11:1348 min8 Nov
Chicago14:16 → 14:5611:100 min11:1048 min8 Nov
Jersey City15:16 → 15:5611:160 min11:1648 min8 Nov
Port of Spain16:16 → 16:5611:260 min11:2648 min8 Nov
London20:16 → 20:5611:200 min11:2048 min8 Nov
Durban22:16 → 22:5611:160 min11:1648 min8 Nov
Dubai00:16 → 00:5611:380 min11:3848 min8 Nov
Delhi01:46 → 02:2611:410 min11:4148 min8 Nov
Kolkata01:46 → 02:2610:560 min10:5648 min8 Nov
Singapore04:16 → 04:5612:240 min12:2448 min8 Nov
Sydney07:16 → 07:5612:150 min12:1548 min8 Nov
Suva08:16 → 08:5611:260 min11:2648 min8 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

About Ahargaṇa