Ruling · Tila Caturthī · 1932

Wednesday 10 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 442 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Tuesday 9 February

Caturthī is absent from pradoṣa. Not taken.

17:47 sunsetpradoṣa ends 19:35
17:2317:4718:1118:3518:5919:2319:47

0 of 108 minutes covered

Evening of Wednesday 10 February

Taken. The only evening Caturthī reaches.

17:48 sunsetpradoṣa ends 19:36
17:2417:4818:1218:3619:0019:2419:48

108 of 108 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 02:57 on Wed 10 Feb to 05:18 on Thu 11 Feb.

    1932-02-09T18:56:47Z → 1932-02-10T21:18:24Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:47–19:35 on the 9th, 17:48–19:36 on the 10th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturthī must be present during pradoṣa. It covers 0 of 108 minutes on the 9th and 108 of 108 on the 10th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one evening qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 26511 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 1932: Wednesday 10 February.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 1932 falls on Wednesday 10 February. Caturthī runs from 02:57 on Wed 10 Feb to 05:18 on Thu 11 Feb and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1932/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 10 Feb
Ahargaṇa, classicalDisc centre, no refractionWed 10 Feb
compat-drikpanchangComparison profileWed 10 Feb
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/tila-chaturthi · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Caturthī
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 105

“S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturthīSunset 9thCoveredSunset 10thCoveredRuled
Los Angeles10:57 → 13:1817:30106 min17:310 min9 Feb
Chicago12:57 → 15:1817:15109 min17:160 min9 Feb
Jersey City13:57 → 16:1817:22109 min17:240 min9 Feb
Port of Spain14:57 → 17:1818:1298 min18:130 min9 Feb
London18:57 → 21:1817:021 min17:04115 min10 Feb
Durban20:57 → 23:1818:490 min18:4886 min10 Feb
Dubai22:57 → 01:1818:080 min18:09102 min10 Feb
Delhi00:27 → 02:4818:060 min18:06104 min10 Feb
Kolkata00:27 → 02:4817:290 min17:29102 min10 Feb
Singapore01:57 → 04:1818:210 min18:2195 min10 Feb
Sydney04:57 → 07:1818:550 min18:5484 min10 Feb
Suva06:57 → 09:1818:440 min18:4490 min10 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
tila-chaturthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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