Ruling · Nāga Caturthī · 2052

Saturday 26 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 209 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 Saturday 26 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 27 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 05:36 on Sat 26 Oct to 08:09 on Sun 27 Oct.

    2052-10-25T21:35:40Z → 2052-10-27T00:08:30Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 26th, 11:38–12:26 on the 27th.

    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 26th and 0 of 48 on the 27th.

    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 12557 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 2052: Saturday 26 October.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 2052 falls on Saturday 26 October. Caturthī runs from 05:36 on Sat 26 Oct to 08:09 on Sun 27 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2052/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 26 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 26 Oct
compat-drikpanchangComparison profileSat 26 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 25thCoveredMadhyāhna 27thCoveredRuled
Los Angeles14:36 → 17:0912:130 min12:130 min26 Oct
Chicago16:36 → 19:0912:100 min12:100 min26 Oct
Jersey City17:36 → 20:0912:160 min12:160 min26 Oct
Port of Spain17:36 → 20:0911:260 min11:260 min26 Oct
London22:36 → 01:0912:200 min11:200 min26 Oct
Durban23:36 → 02:0911:160 min11:160 min26 Oct
Dubai01:36 → 04:0911:390 min11:380 min26 Oct
Delhi03:06 → 05:3911:410 min11:410 min26 Oct
Kolkata03:06 → 05:3910:560 min10:560 min26 Oct
Singapore05:36 → 08:0912:250 min12:240 min26 Oct
Sydney08:36 → 11:0912:160 min12:150 min26 Oct
Suva09:36 → 12:0911:270 min11:2642 min27 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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