Ruling · Tila Caturthī · 2092

Monday 11 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 197 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 Sunday 10 February

Caturthī is absent from pradoṣa. Not taken.

17:49 sunsetpradoṣa ends 19:37
17:2517:4918:1318:3719:0119:2519:49

0 of 107 minutes covered

Evening of Monday 11 February

Taken. The only evening Caturthī reaches.

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

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 22:54 on Sun 10 Feb to 00:04 on Tue 12 Feb.

    2092-02-10T14:54:03Z → 2092-02-11T16:04:16Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:49–19:37 on the 10th, 17:51–19:38 on the 11th.

    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 10th and 107 of 107 on the 11th.

    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 11835 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 2092: Monday 11 February.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 2092 falls on Monday 11 February. Caturthī runs from 22:54 on Sun 10 Feb to 00:04 on Tue 12 Feb and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2092/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 11 Feb
Ahargaṇa, classicalDisc centre, no refractionMon 11 Feb
compat-drikpanchangComparison profileMon 11 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 10thCoveredSunset 11thCoveredRuled
Los Angeles06:54 → 08:0417:32105 min17:330 min10 Feb
Chicago08:54 → 10:0417:17109 min17:190 min10 Feb
Jersey City09:54 → 11:0417:25108 min17:260 min10 Feb
Port of Spain10:54 → 12:0418:1398 min18:130 min10 Feb
London14:54 → 16:0417:06114 min17:080 min10 Feb
Durban16:54 → 18:0418:4786 min18:470 min10 Feb
Dubai18:54 → 20:0418:0958 min18:10102 min11 Feb
Delhi20:24 → 21:3418:070 min18:08103 min11 Feb
Kolkata20:24 → 21:3417:300 min17:31101 min11 Feb
Singapore22:54 → 00:0419:210 min19:2195 min11 Feb
Sydney01:54 → 03:0419:530 min19:5285 min11 Feb
Suva02:54 → 04:0418:430 min18:4390 min11 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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