Ruling · Tila Caturthī · 2084

Wednesday 9 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 633 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 Tuesday 8 February

Caturthī is absent from pradoṣa. Not taken.

17:47 sunsetpradoṣa ends 19:35
17:2317:4718:1118:3518:5919:2319:47

0 of 108 minutes covered

Evening of Wednesday 9 February

Taken. The only evening Caturthī reaches.

17:48 sunsetpradoṣa ends 19:36
17:2417:4818:1218:3619:0019:2419:48

108 of 108 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 06:54 on Wed 9 Feb to 06:09 on Thu 10 Feb.

    2084-02-08T22:53:38Z → 2084-02-09T22:08:33Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:47–19:35 on the 8th, 17:48–19:36 on the 9th.

    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 108 minutes on the 8th and 108 of 108 on the 9th.

    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 37962 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 2084: Wednesday 9 February.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 2084 falls on Wednesday 9 February. Caturthī runs from 06:54 on Wed 9 Feb to 06:09 on Thu 10 Feb and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2084/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 9 Feb
Ahargaṇa, classicalDisc centre, no refractionWed 9 Feb
compat-drikpanchangComparison profileWed 9 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 8thCoveredSunset 9thCoveredRuled
Los Angeles14:54 → 14:0917:30106 min17:310 min8 Feb
Chicago16:54 → 16:0917:15109 min17:160 min8 Feb
Jersey City17:54 → 17:0917:2278 min17:240 min8 Feb
Port of Spain18:54 → 18:0918:1257 min18:130 min8 Feb
London22:54 → 22:0917:020 min17:04115 min9 Feb
Durban00:54 → 00:0918:490 min18:4886 min9 Feb
Dubai02:54 → 02:0918:080 min18:09102 min9 Feb
Delhi04:24 → 03:3918:060 min18:06104 min9 Feb
Kolkata04:24 → 03:3917:290 min17:30102 min9 Feb
Singapore06:54 → 06:0919:210 min19:2195 min9 Feb
Sydney09:54 → 09:0919:550 min19:5484 min9 Feb
Suva10:54 → 10:0918:440 min18:4490 min9 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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