Ruling · Nāga Caturthī · 2049

Saturday 30 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 418 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 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

Midday of Saturday 30 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

Caturthī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 21:04 on Fri 29 Oct to 19:24 on Sat 30 Oct.

    2049-10-29T13:03:52Z → 2049-10-30T11:23:48Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 29th, 11:38–12:26 on the 30th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.

    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 25092 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 2049: Saturday 30 October.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 2049 falls on Saturday 30 October. Caturthī runs from 21:04 on Fri 29 Oct to 19:24 on Sat 30 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2049/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 30 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 30 Oct
compat-drikpanchangComparison profileSat 30 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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles06:04 → 04:2412:1248 min12:120 min29 Oct
Chicago08:04 → 06:2412:1048 min12:100 min29 Oct
Jersey City09:04 → 07:2412:1648 min12:160 min29 Oct
Port of Spain09:04 → 07:2411:2648 min11:260 min29 Oct
London14:04 → 12:2412:200 min12:204 min30 Oct
Durban15:04 → 13:2411:160 min11:1648 min30 Oct
Dubai17:04 → 15:2411:380 min11:3848 min30 Oct
Delhi18:34 → 16:5411:410 min11:4148 min30 Oct
Kolkata18:34 → 16:5410:560 min10:5648 min30 Oct
Singapore21:04 → 19:2412:240 min12:2448 min30 Oct
Sydney00:04 → 22:2412:150 min12:1548 min30 Oct
Suva01:04 → 23:2411:260 min11:2648 min30 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