Ruling · Nāga Caturthī · 2096

Monday 19 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 251 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Sunday 18 November

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 11:40  12:28 madhyāhna ends
10:5211:1611:4012:0412:2812:5213:16

0 of 48 minutes covered

Midday of Monday 19 November

Taken. The only midday Caturthī reaches.

madhyāhna begins 11:40  12:28 madhyāhna ends
10:5211:1611:4012:0412:2812:5213:16

48 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 16:38 on Sun 18 Nov to 18:59 on Mon 19 Nov.

    2096-11-18T08:38:05Z → 2096-11-19T10:59:15Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 18th, 11:40–12:28 on the 19th.

    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 18th and 48 of 48 on the 19th.

    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 15034 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 2096: Monday 19 November.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 2096 falls on Monday 19 November. Caturthī runs from 16:38 on Sun 18 Nov to 18:59 on Mon 19 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2096/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 19 Nov
Ahargaṇa, classicalDisc centre, no refractionMon 19 Nov
compat-drikpanchangComparison profileMon 19 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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles00:38 → 02:5911:1548 min11:150 min18 Nov
Chicago02:38 → 04:5911:1248 min11:120 min18 Nov
Jersey City03:38 → 05:5911:1848 min11:180 min18 Nov
Port of Spain04:38 → 06:5911:2848 min11:280 min18 Nov
London08:38 → 10:5911:2248 min11:220 min18 Nov
Durban10:38 → 12:5911:1848 min11:1848 min19 Nov
Dubai12:38 → 14:5911:400 min11:4048 min19 Nov
Delhi14:08 → 16:2911:430 min11:4348 min19 Nov
Kolkata14:08 → 16:2910:580 min10:5848 min19 Nov
Singapore16:38 → 18:5912:260 min12:2648 min19 Nov
Sydney19:38 → 21:5912:170 min12:1748 min19 Nov
Suva20:38 → 22:5911:280 min11:2848 min19 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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