Ruling · Tila Caturthī · 2089

Monday 14 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 490 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 Sunday 13 February

Caturthī is absent from pradoṣa. Not taken.

17:54 sunsetpradoṣa ends 19:40
17:3017:5418:1818:4219:0619:3019:54

0 of 106 minutes covered

Evening of Monday 14 February

Taken. The only evening Caturthī reaches.

17:55 sunsetpradoṣa ends 19:41
17:3117:5518:1918:4319:0719:3119:55

106 of 106 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 03:50 on Mon 14 Feb to 04:36 on Tue 15 Feb.

    2089-02-13T19:50:04Z → 2089-02-14T20:36:00Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:54–19:40 on the 13th, 17:55–19:41 on the 14th.

    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 106 minutes on the 13th and 106 of 106 on the 14th.

    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 29411 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 2089: Monday 14 February.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 2089 falls on Monday 14 February. Caturthī runs from 03:50 on Mon 14 Feb to 04:36 on Tue 15 Feb and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2089/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 14 Feb
Ahargaṇa, classicalDisc centre, no refractionMon 14 Feb
compat-drikpanchangComparison profileMon 14 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 13thCoveredSunset 14thCoveredRuled
Los Angeles11:50 → 12:3617:36104 min17:370 min13 Feb
Chicago13:50 → 14:3617:22107 min17:230 min13 Feb
Jersey City14:50 → 15:3617:30107 min17:310 min13 Feb
Port of Spain15:50 → 16:3618:1498 min18:140 min13 Feb
London19:50 → 20:3617:130 min17:15112 min14 Feb
Durban21:50 → 22:3618:440 min18:4387 min14 Feb
Dubai23:50 → 00:3618:120 min18:12101 min14 Feb
Delhi01:20 → 02:0618:100 min18:11102 min14 Feb
Kolkata01:20 → 02:0617:320 min17:33101 min14 Feb
Singapore03:50 → 04:3619:210 min19:2195 min14 Feb
Sydney06:50 → 07:3619:490 min19:4886 min14 Feb
Suva07:50 → 08:3618:410 min18:4191 min14 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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