Ruling · Tila Caturthī · 2046

Friday 9 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 9 min 59 s.

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 Friday 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

Evening of Saturday 10 February

Caturthī is absent from pradoṣa. Not taken.

17:49 sunsetpradoṣa ends 19:37
Caturthī ends 17:39:22
17:2517:4918:1318:3719:0119:2519:49

0 of 107 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 15:06 on Fri 9 Feb to 17:39 on Sat 10 Feb.

    2046-02-09T07:05:53Z → 2046-02-10T09:39:22Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:48–19:36 on the 9th, 17:49–19:37 on the 10th.

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

  3. 03

    Rule

    Caturthī must be present during pradoṣa. It covers 108 of 108 minutes on the 9th and 0 of 107 on the 10th.

    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 599 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 2046: Friday 9 February.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 2046 falls on Friday 9 February. Caturthī runs from 15:06 on Fri 9 Feb to 17:39 on Sat 10 Feb and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2046/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 9 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 9 Feb
compat-drikpanchangComparison profileFri 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 9thCoveredSunset 10thCoveredRuled
Los Angeles23:06 → 01:3917:31105 min17:320 min9 Feb
Chicago01:06 → 03:3917:16109 min17:170 min9 Feb
Jersey City02:06 → 04:3917:24108 min17:250 min9 Feb
Port of Spain03:06 → 05:3918:1298 min18:130 min9 Feb
London07:06 → 09:3917:04115 min17:060 min9 Feb
Durban09:06 → 11:3918:4886 min18:470 min9 Feb
Dubai11:06 → 13:3918:09102 min18:090 min9 Feb
Delhi12:36 → 15:0918:06104 min18:070 min9 Feb
Kolkata12:36 → 15:0917:30102 min17:300 min9 Feb
Singapore15:06 → 17:3919:2195 min19:210 min9 Feb
Sydney18:06 → 20:3919:5384 min19:5347 min9 Feb
Suva19:06 → 21:3918:4367 min18:4390 min10 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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