Ruling · Tila Caturthī · 2069

Saturday 26 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 368 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 Friday 25 January

Caturthī is absent from pradoṣa. Not taken.

17:31 sunsetpradoṣa ends 19:23
17:0717:3117:5518:1918:4319:0719:3119:55

0 of 112 minutes covered

Evening of Saturday 26 January

Taken. The only evening Caturthī reaches.

17:33 sunsetpradoṣa ends 19:24
17:0917:3317:5718:2118:4519:0919:3319:57

111 of 111 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 04:12 on Sat 26 Jan to 01:32 on Sun 27 Jan.

    2069-01-25T20:11:35Z → 2069-01-26T17:31:50Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:31–19:23 on the 25th, 17:33–19:24 on the 26th.

    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 112 minutes on the 25th and 111 of 111 on the 26th.

    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 22067 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 2069: Saturday 26 January.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 2069 falls on Saturday 26 January. Caturthī runs from 04:12 on Sat 26 Jan to 01:32 on Sun 27 Jan and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2069/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 26 Jan
Ahargaṇa, classicalDisc centre, no refractionSat 26 Jan
compat-drikpanchangComparison profileSat 26 Jan
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 25thCoveredSunset 26thCoveredRuled
Los Angeles12:12 → 09:3217:17109 min17:180 min25 Jan
Chicago14:12 → 11:3216:58113 min16:590 min25 Jan
Jersey City15:12 → 12:3217:06113 min17:070 min25 Jan
Port of Spain16:12 → 13:3218:0799 min18:080 min25 Jan
London20:12 → 17:3216:380 min16:4052 min26 Jan
Durban22:12 → 19:3218:570 min18:5735 min26 Jan
Dubai00:12 → 21:3217:580 min17:59105 min26 Jan
Delhi01:42 → 23:0217:550 min17:55106 min26 Jan
Kolkata01:42 → 23:0217:200 min17:21104 min26 Jan
Singapore04:12 → 01:3219:190 min19:1996 min26 Jan
Sydney07:12 → 04:3220:040 min20:0481 min26 Jan
Suva08:12 → 05:3218:480 min18:4888 min26 Jan
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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