Ruling · Tila Caturthī · 1944

Friday 28 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 284 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 28 January

Taken. The only evening Caturthī reaches.

18:33 sunsetpradoṣa ends 20:24
18:0918:3318:5719:2119:4520:0920:3320:57

111 of 111 minutes covered

Evening of Saturday 29 January

Caturthī is absent from pradoṣa. Not taken.

18:34 sunsetpradoṣa ends 20:25
18:1018:3418:5819:2219:4620:1020:3420:58

0 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 13:50 on Fri 28 Jan to 10:44 on Sat 29 Jan.

    1944-01-28T04:49:32Z → 1944-01-29T01:43:57Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:33–20:24 on the 28th, 18:34–20:25 on the 29th.

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

  3. 03

    Rule

    Caturthī must be present during pradoṣa. It covers 111 of 111 minutes on the 28th and 0 of 111 on the 29th.

    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 17011 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 1944: Friday 28 January.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 1944 falls on Friday 28 January. Caturthī runs from 13:50 on Fri 28 Jan to 10:44 on Sat 29 Jan and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1944/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 28 Jan
Ahargaṇa, classicalDisc centre, no refractionFri 28 Jan
compat-drikpanchangComparison profileFri 28 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 28thCoveredSunset 29thCoveredRuled
Los Angeles21:50 → 18:4418:1825 min18:190 min28 Jan
Chicago23:50 → 20:4417:59113 min18:010 min28 Jan
Jersey City00:50 → 21:4418:08112 min18:090 min28 Jan
Port of Spain01:50 → 22:4419:0899 min19:090 min28 Jan
London05:50 → 02:4417:41121 min17:420 min28 Jan
Durban07:50 → 04:4419:5783 min19:560 min28 Jan
Dubai08:50 → 05:4418:00105 min18:000 min28 Jan
Delhi11:20 → 08:1418:56106 min18:570 min28 Jan
Kolkata11:20 → 08:1418:21104 min18:220 min28 Jan
Singapore13:50 → 10:4420:1996 min20:190 min28 Jan
Sydney15:50 → 12:4420:0481 min20:030 min28 Jan
Suva16:50 → 13:4418:4888 min18:480 min28 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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