Ruling · Nāga Caturthī · 2060

Thursday 28 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 492 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 28 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 Friday 29 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 01:15 on Thu 28 Oct to 03:26 on Fri 29 Oct.

    2060-10-27T17:15:23Z → 2060-10-28T19:26:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 28th, 11:38–12:26 on the 29th.

    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 28th and 0 of 48 on the 29th.

    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 29495 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 2060: Thursday 28 October.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 2060 falls on Thursday 28 October. Caturthī runs from 01:15 on Thu 28 Oct to 03:26 on Fri 29 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2060/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 28 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 28 Oct
compat-drikpanchangComparison profileThu 28 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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles10:15 → 12:2612:1348 min12:1314 min28 Oct
Chicago12:15 → 14:2612:1043 min12:1048 min28 Oct
Jersey City13:15 → 15:2612:160 min12:1648 min28 Oct
Port of Spain13:15 → 15:2611:260 min11:2648 min28 Oct
London18:15 → 20:2612:200 min12:2048 min28 Oct
Durban19:15 → 21:2611:160 min11:1648 min28 Oct
Dubai21:15 → 23:2611:390 min11:3848 min28 Oct
Delhi22:45 → 00:5611:410 min11:4148 min28 Oct
Kolkata22:45 → 00:5610:560 min10:5648 min28 Oct
Singapore01:15 → 03:2612:250 min12:2448 min28 Oct
Sydney04:15 → 06:2612:150 min12:1548 min28 Oct
Suva05:15 → 07:2611:260 min11:2648 min28 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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