Ruling · Tila Caturthī · 2053

Thursday 23 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 352 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 Thursday 23 January

Taken. The only evening Caturthī reaches.

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

112 of 112 minutes covered

Evening of Friday 24 January

Caturthī is absent from pradoṣa. Not taken.

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

0 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 11:06 on Thu 23 Jan to 11:38 on Fri 24 Jan.

    2053-01-23T03:05:52Z → 2053-01-24T03:37:53Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:29–19:21 on the 23rd, 17:30–19:22 on the 24th.

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

  3. 03

    Rule

    Caturthī must be present during pradoṣa. It covers 112 of 112 minutes on the 23rd and 0 of 112 on the 24th.

    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 21133 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 2053: Thursday 23 January.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 2053 falls on Thursday 23 January. Caturthī runs from 11:06 on Thu 23 Jan to 11:38 on Fri 24 Jan and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2053/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 23 Jan
Ahargaṇa, classicalDisc centre, no refractionThu 23 Jan
compat-drikpanchangComparison profileThu 23 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 23rdCoveredSunset 24thCoveredRuled
Los Angeles19:06 → 19:3817:15109 min17:160 min23 Jan
Chicago21:06 → 21:3816:55114 min16:560 min23 Jan
Jersey City22:06 → 22:3817:03113 min17:050 min23 Jan
Port of Spain23:06 → 23:3818:0699 min18:070 min23 Jan
London03:06 → 03:3816:34122 min16:360 min23 Jan
Durban05:06 → 05:3818:5883 min18:580 min23 Jan
Dubai07:06 → 07:3817:57105 min17:580 min23 Jan
Delhi08:36 → 09:0817:53107 min17:540 min23 Jan
Kolkata08:36 → 09:0817:19104 min17:190 min23 Jan
Singapore11:06 → 11:3819:1896 min19:180 min23 Jan
Sydney14:06 → 14:3820:0680 min20:050 min23 Jan
Suva15:06 → 15:3818:4888 min18:480 min23 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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