Ruling · Tila Caturthī · 2004

Sunday 25 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 164 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 Saturday 24 January

Caturthī is absent from pradoṣa. Not taken.

17:29 sunsetpradoṣa ends 19:21
17:0517:2917:5318:1718:4119:0519:2919:53

0 of 112 minutes covered

Evening of Sunday 25 January

Taken. The only evening Caturthī reaches.

17:30 sunsetpradoṣa ends 19:22
17:0617:3017:5418:1818:4219:0619:3019:54

112 of 112 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 22:49 on Sat 24 Jan to 22:06 on Sun 25 Jan.

    2004-01-24T14:49:21Z → 2004-01-25T14:06:16Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:29–19:21 on the 24th, 17:30–19:22 on the 25th.

    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 112 minutes on the 24th and 112 of 112 on the 25th.

    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 9855 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 2004: Sunday 25 January.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 2004 falls on Sunday 25 January. Caturthī runs from 22:49 on Sat 24 Jan to 22:06 on Sun 25 Jan and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2004/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 25 Jan
Ahargaṇa, classicalDisc centre, no refractionSun 25 Jan
compat-drikpanchangComparison profileSun 25 Jan
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 24thCoveredSunset 25thCoveredRuled
Los Angeles06:49 → 06:0617:15109 min17:160 min24 Jan
Chicago08:49 → 08:0616:55114 min16:560 min24 Jan
Jersey City09:49 → 09:0617:03113 min17:040 min24 Jan
Port of Spain10:49 → 10:0618:0699 min18:070 min24 Jan
London14:49 → 14:0616:34122 min16:360 min24 Jan
Durban16:49 → 16:0618:5883 min18:580 min24 Jan
Dubai18:49 → 18:0617:5752 min17:589 min24 Jan
Delhi20:19 → 19:3617:530 min17:54103 min25 Jan
Kolkata20:19 → 19:3617:190 min17:19104 min25 Jan
Singapore22:49 → 22:0619:180 min19:1896 min25 Jan
Sydney01:49 → 01:0620:060 min20:0581 min25 Jan
Suva02:49 → 02:0618:480 min18:4888 min25 Jan
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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