Ruling · Tila Caturthī · 2096

Saturday 28 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 292 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 Saturday 28 January

Taken. The only evening Caturthī reaches.

17:34 sunsetpradoṣa ends 19:25
17:1017:3417:5818:2218:4619:1019:3419:58

111 of 111 minutes covered

Evening of Sunday 29 January

Caturthī is absent from pradoṣa. Not taken.

17:36 sunsetpradoṣa ends 19:26
17:1217:3618:0018:2418:4819:1219:3620:00

0 of 111 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 12:42 on Sat 28 Jan to 10:33 on Sun 29 Jan.

    2096-01-28T04:42:11Z → 2096-01-29T02:32:44Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:34–19:25 on the 28th, 17:36–19:26 on the 29th.

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

  3. 03

    Rule

    Caturthī must be present during pradoṣa. It covers 111 of 111 minutes on the 28th and 0 of 111 on the 29th.

    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 17531 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 2096: Saturday 28 January.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 2096 falls on Saturday 28 January. Caturthī runs from 12:42 on Sat 28 Jan to 10:33 on Sun 29 Jan and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2096/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 28 Jan
Ahargaṇa, classicalDisc centre, no refractionSat 28 Jan
compat-drikpanchangComparison profileSat 28 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 28thCoveredSunset 29thCoveredRuled
Los Angeles20:42 → 18:3317:2073 min17:210 min28 Jan
Chicago22:42 → 20:3317:01113 min17:020 min28 Jan
Jersey City23:42 → 21:3317:09112 min17:100 min28 Jan
Port of Spain00:42 → 22:3318:0999 min18:090 min28 Jan
London04:42 → 02:3316:43120 min16:440 min28 Jan
Durban06:42 → 04:3318:5684 min18:560 min28 Jan
Dubai08:42 → 06:3318:00104 min18:010 min28 Jan
Delhi10:12 → 08:0317:57106 min17:580 min28 Jan
Kolkata10:12 → 08:0317:22103 min17:230 min28 Jan
Singapore12:42 → 10:3319:1996 min19:200 min28 Jan
Sydney15:42 → 13:3320:0381 min20:020 min28 Jan
Suva16:42 → 14:3318:4889 min18:470 min28 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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