Ruling · Nāga Caturthī · 2072

Sunday 13 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 258 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 Sunday 13 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 Monday 14 November

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

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 07:20 on Sun 13 Nov to 07:02 on Mon 14 Nov.

    2072-11-12T23:19:57Z → 2072-11-13T23:02:11Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 13th, 11:39–12:27 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 48 of 48 minutes on the 13th and 0 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 15508 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 2072: Sunday 13 November.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 2072 falls on Sunday 13 November. Caturthī runs from 07:20 on Sun 13 Nov to 07:02 on Mon 14 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2072/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 13 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 13 Nov
compat-drikpanchangComparison profileSun 13 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles15:20 → 15:0211:130 min11:1348 min13 Nov
Chicago17:20 → 17:0211:110 min11:1148 min13 Nov
Jersey City18:20 → 18:0211:160 min11:1748 min13 Nov
Port of Spain19:20 → 19:0211:260 min11:2748 min13 Nov
London23:20 → 23:0211:210 min11:2148 min13 Nov
Durban01:20 → 01:0211:160 min11:1748 min13 Nov
Dubai03:20 → 03:0211:390 min11:3948 min13 Nov
Delhi04:50 → 04:3211:410 min11:4148 min13 Nov
Kolkata04:50 → 04:3210:570 min10:5748 min13 Nov
Singapore07:20 → 07:0212:250 min12:2548 min13 Nov
Sydney10:20 → 10:0212:160 min12:1648 min13 Nov
Suva11:20 → 11:0211:270 min11:2748 min13 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