Ruling · Tila Caturthī (Kunda Caturthī) · 2002

Saturday 16 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 199 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 Friday 15 February

Caturthī is absent from pradoṣa. Not taken.

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

0 of 106 minutes covered

Evening of Saturday 16 February

Taken. The only evening Caturthī reaches.

17:56 sunsetpradoṣa ends 19:41
17:3217:5618:2018:4419:0819:3219:56

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 23:00 on Fri 15 Feb to 01:32 on Sun 17 Feb.

    2002-02-15T15:00:00Z → 2002-02-16T17:32:20Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:55–19:41 on the 15th, 17:56–19:41 on the 16th.

    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 15th and 106 of 106 on the 16th.

    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 11962 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 2002: Saturday 16 February.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 2002 falls on Saturday 16 February. Caturthī runs from 23:00 on Fri 15 Feb to 01:32 on Sun 17 Feb and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2002/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 16 Feb
Ahargaṇa, classicalDisc centre, no refractionSat 16 Feb
compat-drikpanchangComparison profileSat 16 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 15thCoveredSunset 16thCoveredRuled
Los Angeles07:00 → 09:3217:37104 min17:380 min15 Feb
Chicago09:00 → 11:3217:23107 min17:250 min15 Feb
Jersey City10:00 → 12:3217:31106 min17:320 min15 Feb
Port of Spain11:00 → 13:3218:1498 min18:140 min15 Feb
London15:00 → 17:3217:15112 min17:1716 min15 Feb
Durban17:00 → 19:3218:4387 min18:4250 min15 Feb
Dubai19:00 → 21:3218:1254 min18:13101 min16 Feb
Delhi20:30 → 23:0218:110 min18:11102 min16 Feb
Kolkata20:30 → 23:0217:330 min17:33101 min16 Feb
Singapore23:00 → 01:3219:210 min19:2195 min16 Feb
Sydney02:00 → 04:3219:480 min19:4786 min16 Feb
Suva03:00 → 05:3218:410 min18:4091 min16 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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