Ruling · Nāga Caturthī · 1941

Thursday 23 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 6 min 34 s.

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 23 October

Taken. The only midday Caturthī reaches.

madhyāhna begins 12:38  13:26 madhyāhna ends
Caturthī begins 12:31:46
11:5012:1412:3813:0213:2613:5014:14

48 of 48 minutes covered

Midday of Friday 24 October

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 12:38  13:26 madhyāhna ends
11:5012:1412:3813:0213:2613:5014:14

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 12:32 on Thu 23 Oct to 09:17 on Fri 24 Oct.

    1941-10-23T03:31:46Z → 1941-10-24T00:16:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:38–13:26 on the 23rd, 12:38–13:26 on the 24th.

    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 23rd and 0 of 48 on the 24th.

    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 394 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 1941: Thursday 23 October.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 1941 falls on Thursday 23 October. Caturthī runs from 12:32 on Thu 23 Oct to 09:17 on Fri 24 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1941/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 23 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 23 Oct
compat-drikpanchangComparison profileThu 23 Oct
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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles19:32 → 16:1711:1348 min11:130 min23 Oct
Chicago21:32 → 18:1711:1148 min11:110 min23 Oct
Jersey City22:32 → 19:1711:1648 min11:160 min23 Oct
Port of Spain23:32 → 20:1711:2648 min11:260 min23 Oct
London04:32 → 01:1712:2148 min12:200 min23 Oct
Durban05:32 → 02:1711:1748 min11:160 min23 Oct
Dubai07:32 → 04:1711:3948 min11:390 min23 Oct
Delhi10:02 → 06:4712:4148 min12:410 min23 Oct
Kolkata10:02 → 06:4711:5748 min11:570 min23 Oct
Singapore11:02 → 07:4711:5548 min11:550 min23 Oct
Sydney13:32 → 10:1711:160 min11:160 min24 Oct
Suva15:32 → 12:1711:270 min11:2748 min24 Oct
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