Ruling · Nāga Caturthī · 2055

Saturday 23 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 192 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 Saturday 23 October

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 Sunday 24 October

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 08:26 on Sat 23 Oct to 06:00 on Sun 24 Oct.

    2055-10-23T00:26:04Z → 2055-10-23T21:59:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 23rd, 11:38–12:26 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 11535 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 2055: Saturday 23 October.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 2055 falls on Saturday 23 October. Caturthī runs from 08:26 on Sat 23 Oct to 06:00 on Sun 24 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2055/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 23 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 23 Oct
compat-drikpanchangComparison profileSat 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 Angeles17:26 → 15:0012:1348 min12:130 min23 Oct
Chicago19:26 → 17:0012:1148 min12:110 min23 Oct
Jersey City20:26 → 18:0012:1648 min12:160 min23 Oct
Port of Spain20:26 → 18:0011:2648 min11:260 min23 Oct
London01:26 → 23:0012:2048 min12:200 min23 Oct
Durban02:26 → 00:0011:1748 min11:160 min23 Oct
Dubai04:26 → 02:0011:3948 min11:390 min23 Oct
Delhi05:56 → 03:3011:4148 min11:410 min23 Oct
Kolkata05:56 → 03:3010:5748 min10:570 min23 Oct
Singapore08:26 → 06:0012:2548 min12:250 min23 Oct
Sydney11:26 → 09:0012:1648 min12:160 min23 Oct
Suva12:26 → 10:0011:270 min11:270 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

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