Ruling · Tila Caturthī · 2022

Friday 4 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 634 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 4 February

Taken. The only evening Caturthī reaches.

17:42 sunsetpradoṣa ends 19:31
17:1817:4218:0618:3018:5419:1819:42

109 of 109 minutes covered

Evening of Saturday 5 February

Caturthī is absent from pradoṣa. Not taken.

17:43 sunsetpradoṣa ends 19:32
17:1917:4318:0718:3118:5519:1919:43

0 of 109 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 07:09 on Fri 4 Feb to 06:17 on Sat 5 Feb.

    2022-02-03T23:08:41Z → 2022-02-04T22:17:29Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:42–19:31 on the 4th, 17:43–19:32 on the 5th.

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

  3. 03

    Rule

    Caturthī must be present during pradoṣa. It covers 109 of 109 minutes on the 4th and 0 of 109 on the 5th.

    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 38012 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 2022: Friday 4 February.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 2022 falls on Friday 4 February. Caturthī runs from 07:09 on Fri 4 Feb to 06:17 on Sat 5 Feb and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2022/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 4 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 4 Feb
compat-drikpanchangComparison profileFri 4 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 3rdCoveredSunset 4thCoveredRuled
Los Angeles15:09 → 14:1717:25107 min17:260 min3 Feb
Chicago17:09 → 16:1717:08110 min17:090 min3 Feb
Jersey City18:09 → 17:1717:1658 min17:170 min3 Feb
Port of Spain19:09 → 18:1718:1140 min18:117 min3 Feb
London23:09 → 22:1716:530 min16:55117 min4 Feb
Durban01:09 → 00:1718:520 min18:5285 min4 Feb
Dubai03:09 → 02:1718:040 min18:05103 min4 Feb
Delhi04:39 → 03:4718:020 min18:02105 min4 Feb
Kolkata04:39 → 03:4717:260 min17:26102 min4 Feb
Singapore07:09 → 06:1719:200 min19:2096 min4 Feb
Sydney10:09 → 09:1719:590 min19:5883 min4 Feb
Suva11:09 → 10:1718:460 min18:4589 min4 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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