Ruling · Tila Caturthī · 1929

Wednesday 13 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 330 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 12 February

Caturthī is absent from pradoṣa. Not taken.

17:51 sunsetpradoṣa ends 19:38
17:2717:5118:1518:3919:0319:2719:51

0 of 107 minutes covered

Evening of Wednesday 13 February

Taken. The only evening Caturthī reaches.

17:52 sunsetpradoṣa ends 19:39
17:2817:5218:1618:4019:0419:2819:52

107 of 107 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 01:52 on Wed 13 Feb to 01:09 on Thu 14 Feb.

    1929-02-12T17:52:26Z → 1929-02-13T17:08:34Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:51–19:38 on the 12th, 17:52–19:39 on the 13th.

    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 107 minutes on the 12th and 107 of 107 on the 13th.

    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 19781 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 1929: Wednesday 13 February.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 1929 falls on Wednesday 13 February. Caturthī runs from 01:52 on Wed 13 Feb to 01:09 on Thu 14 Feb and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1929/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 13 Feb
Ahargaṇa, classicalDisc centre, no refractionWed 13 Feb
compat-drikpanchangComparison profileWed 13 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 12thCoveredSunset 13thCoveredRuled
Los Angeles09:52 → 09:0917:34105 min17:350 min12 Feb
Chicago11:52 → 11:0917:19108 min17:210 min12 Feb
Jersey City12:52 → 12:0917:27108 min17:280 min12 Feb
Port of Spain13:52 → 13:0918:1398 min18:140 min12 Feb
London17:52 → 17:0917:0970 min17:110 min12 Feb
Durban19:52 → 19:0918:4620 min18:4523 min13 Feb
Dubai21:52 → 21:0918:100 min18:11102 min13 Feb
Delhi23:22 → 22:3918:080 min18:09103 min13 Feb
Kolkata23:22 → 22:3917:310 min17:32101 min13 Feb
Singapore00:52 → 00:0918:210 min18:2195 min13 Feb
Sydney03:52 → 03:0918:510 min18:5085 min13 Feb
Suva05:52 → 05:0918:430 min18:4290 min13 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

About Ahargaṇa