Ruling · Tila Caturthī · 1995

Friday 3 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 436 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 2 February

Caturthī is absent from pradoṣa. Not taken.

17:39 sunsetpradoṣa ends 19:29
17:1517:3918:0318:2718:5119:1519:39

0 of 110 minutes covered

Evening of Friday 3 February

Taken. The only evening Caturthī reaches.

17:41 sunsetpradoṣa ends 19:30
17:1717:4118:0518:2918:5319:1719:41

110 of 110 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 02:45 on Fri 3 Feb to 02:51 on Sat 4 Feb.

    1995-02-02T18:45:28Z → 1995-02-03T18:50:52Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:39–19:29 on the 2nd, 17:41–19:30 on the 3rd.

    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 110 minutes on the 2nd and 110 of 110 on the 3rd.

    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 26166 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 1995: Friday 3 February.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 1995 falls on Friday 3 February. Caturthī runs from 02:45 on Fri 3 Feb to 02:51 on Sat 4 Feb and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1995/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 3 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 3 Feb
compat-drikpanchangComparison profileFri 3 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 2ndCoveredSunset 3rdCoveredRuled
Los Angeles10:45 → 10:5117:24107 min17:250 min2 Feb
Chicago12:45 → 12:5117:06111 min17:080 min2 Feb
Jersey City13:45 → 13:5117:14111 min17:160 min2 Feb
Port of Spain14:45 → 14:5118:1099 min18:110 min2 Feb
London18:45 → 18:5116:513 min16:52118 min3 Feb
Durban20:45 → 20:5118:530 min18:5385 min3 Feb
Dubai22:45 → 22:5118:040 min18:04104 min3 Feb
Delhi00:15 → 00:2118:000 min18:01105 min3 Feb
Kolkata00:15 → 00:2117:250 min17:26103 min3 Feb
Singapore02:45 → 02:5119:200 min19:2096 min3 Feb
Sydney05:45 → 05:5120:000 min19:5983 min3 Feb
Suva06:45 → 06:5118:460 min18:4689 min3 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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