Ruling · Tila Caturthī · 1992

Friday 7 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 402 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 7 February

Taken. The only evening Caturthī reaches.

17:45 sunsetpradoṣa ends 19:33
17:2117:4518:0918:3318:5719:2119:45

109 of 109 minutes covered

Evening of Saturday 8 February

Caturthī is absent from pradoṣa. Not taken.

17:46 sunsetpradoṣa ends 19:34
17:2217:4618:1018:3418:5819:2219:46

0 of 108 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 09:35 on Fri 7 Feb to 11:04 on Sat 8 Feb.

    1992-02-07T01:34:34Z → 1992-02-08T03:04:24Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:45–19:33 on the 7th, 17:46–19:34 on the 8th.

    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 7th and 0 of 108 on the 8th.

    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 24103 s

  5. 05

    Ruling

    Tila Caturthī, Baoding, 1992: Friday 7 February.

    confidence: determinate

Say it like this

In Baoding, Tila Caturthī 1992 falls on Friday 7 February. Caturthī runs from 09:35 on Fri 7 Feb to 11:04 on Sat 8 Feb and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1992/tila-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 7 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 7 Feb
compat-drikpanchangComparison profileFri 7 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 7thCoveredSunset 8thCoveredRuled
Los Angeles17:35 → 19:0417:2996 min17:300 min6 Feb
Chicago19:35 → 21:0417:12110 min17:140 min7 Feb
Jersey City20:35 → 22:0417:20109 min17:220 min7 Feb
Port of Spain21:35 → 23:0418:1298 min18:120 min7 Feb
London01:35 → 03:0416:59116 min17:010 min7 Feb
Durban03:35 → 05:0418:5085 min18:490 min7 Feb
Dubai05:35 → 07:0418:07103 min18:080 min7 Feb
Delhi07:05 → 08:3418:04104 min18:050 min7 Feb
Kolkata07:05 → 08:3417:28102 min17:280 min7 Feb
Singapore09:35 → 11:0419:2196 min19:210 min7 Feb
Sydney12:35 → 14:0419:5684 min19:550 min7 Feb
Suva13:35 → 15:0418:4590 min18:440 min7 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

About Ahargaṇa