Ruling · Nāga Caturthī · 2053

Friday 14 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 598 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 Thursday 13 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

Midday of Friday 14 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

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

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 22:24 on Thu 13 Nov to 00:31 on Sat 15 Nov.

    2053-11-13T14:24:06Z → 2053-11-14T16:31:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 13th, 11:38–12:26 on the 14th.

    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 13th and 48 of 48 on the 14th.

    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 35869 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 2053: Friday 14 November.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 2053 falls on Friday 14 November. Caturthī runs from 22:24 on Thu 13 Nov to 00:31 on Sat 15 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2053/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 14 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 14 Nov
compat-drikpanchangComparison profileFri 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles06:24 → 08:3111:1348 min11:130 min13 Nov
Chicago08:24 → 10:3111:1148 min11:110 min13 Nov
Jersey City09:24 → 11:3111:1748 min11:1715 min14 Nov
Port of Spain10:24 → 12:3111:2648 min11:2748 min14 Nov
London14:24 → 16:3111:210 min11:2148 min14 Nov
Durban16:24 → 18:3111:160 min11:1748 min14 Nov
Dubai18:24 → 20:3111:390 min11:3948 min14 Nov
Delhi19:54 → 22:0111:410 min11:4148 min14 Nov
Kolkata19:54 → 22:0110:570 min10:5748 min14 Nov
Singapore22:24 → 00:3112:250 min12:2548 min14 Nov
Sydney01:24 → 03:3112:160 min12:1648 min14 Nov
Suva02:24 → 04:3111:270 min11:2748 min14 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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