Ruling · Tila Caturthī · 2041

Monday 4 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 254 minutes.

Decide it for

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 3 February

Caturthī is absent from pradoṣa. Not taken.

17:42 sunsetpradoṣa ends 19:31
17:1817:4218:0618:3018:5419:1819:42

0 of 109 minutes covered

Evening of Monday 4 February

Taken. The only evening Caturthī reaches.

17:43 sunsetpradoṣa ends 19:32
17:1917:4318:0718:3118:5519:1919:43

109 of 109 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 02:38 on Mon 4 Feb to 23:46 on Mon 4 Feb.

    2041-02-03T18:37:48Z → 2041-02-04T15:46:14Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:42–19:31 on the 3rd, 17:43–19:32 on the 4th.

    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 109 minutes on the 3rd and 109 of 109 on the 4th.

    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 15267 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 2041: Monday 4 February.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 2041 falls on Monday 4 February. Caturthī runs from 02:38 on Mon 4 Feb to 23:46 on Mon 4 Feb and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2041/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 4 Feb
Ahargaṇa, classicalDisc centre, no refractionMon 4 Feb
compat-drikpanchangComparison profileMon 4 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 3rdCoveredSunset 4thCoveredRuled
Los Angeles10:38 → 07:4617:26107 min17:270 min3 Feb
Chicago12:38 → 09:4617:09111 min17:100 min3 Feb
Jersey City13:38 → 10:4617:17110 min17:180 min3 Feb
Port of Spain14:38 → 11:4618:1198 min18:110 min3 Feb
London18:38 → 15:4616:5413 min16:560 min3 Feb
Durban20:38 → 17:4618:520 min18:510 min3 Feb
Dubai22:38 → 19:4618:050 min18:05101 min4 Feb
Delhi00:08 → 21:1618:020 min18:03105 min4 Feb
Kolkata00:08 → 21:1617:260 min17:27102 min4 Feb
Singapore02:38 → 23:4619:200 min19:2096 min4 Feb
Sydney05:38 → 02:4619:580 min19:5883 min4 Feb
Suva06:38 → 03:4618:460 min18:4589 min4 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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