Ruling · Tila Caturthī · 2074

Tuesday 30 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 86 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 Tuesday 30 January

Taken. The only evening Caturthī reaches.

17:37 sunsetpradoṣa ends 19:27
17:1317:3718:0118:2518:4919:1319:3720:01

110 of 110 minutes covered

Evening of Wednesday 31 January

Caturthī is absent from pradoṣa. Not taken.

17:38 sunsetpradoṣa ends 19:28
17:1417:3818:0218:2618:5019:1419:3820:02

0 of 110 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 14:55 on Tue 30 Jan to 16:12 on Wed 31 Jan.

    2074-01-30T06:54:32Z → 2074-01-31T08:12:26Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:37–19:27 on the 30th, 17:38–19:28 on the 31st.

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

  3. 03

    Rule

    Caturthī must be present during pradoṣa. It covers 110 of 110 minutes on the 30th and 0 of 110 on the 31st.

    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 5140 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 2074: Tuesday 30 January.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 2074 falls on Tuesday 30 January. Caturthī runs from 14:55 on Tue 30 Jan to 16:12 on Wed 31 Jan and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2074/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 30 Jan
Ahargaṇa, classicalDisc centre, no refractionTue 30 Jan
compat-drikpanchangComparison profileTue 30 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 30thCoveredSunset 31stCoveredRuled
Los Angeles22:55 → 00:1217:22108 min17:230 min30 Jan
Chicago00:55 → 02:1217:04112 min17:050 min30 Jan
Jersey City01:55 → 03:1217:12111 min17:130 min30 Jan
Port of Spain02:55 → 04:1218:0999 min18:100 min30 Jan
London06:55 → 08:1216:47119 min16:480 min30 Jan
Durban08:55 → 10:1218:5584 min18:540 min30 Jan
Dubai10:55 → 12:1218:02104 min18:030 min30 Jan
Delhi12:25 → 13:4217:59106 min17:590 min30 Jan
Kolkata12:25 → 13:4217:23103 min17:240 min30 Jan
Singapore14:55 → 16:1219:2096 min19:200 min30 Jan
Sydney17:55 → 19:1220:0182 min20:010 min30 Jan
Suva18:55 → 20:1218:4781 min18:4786 min31 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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