Ruling · Gaurī Tṛtīyā (Gangaur) · 1965

Sunday 4 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 328 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Sunday 4 April

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

Midday of Monday 5 April

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Tṛtīyā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Tṛtīyā runs from 06:30 on Sun 4 Apr to 05:05 on Mon 5 Apr.

    1965-04-03T22:29:53Z → 1965-04-04T21:05:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 4th, 11:57–12:45 on the 5th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 19664 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1965: Sunday 4 April.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1965 falls on Sunday 4 April. Tṛtīyā runs from 06:30 on Sun 4 Apr to 05:05 on Mon 5 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1965/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 4 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 4 Apr
compat-drikpanchangComparison profileSun 4 Apr
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/gauri-tritiya · ruleset 2026.3-draft

Month
Caitra, amānta
Pakṣa · aṅga
Śukla · Tṛtīyā
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 102

“S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceTṛtīyāMadhyāhna 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles14:30 → 13:0511:320 min11:3248 min4 Apr
Chicago16:30 → 15:0511:300 min11:3048 min4 Apr
Jersey City17:30 → 16:0511:360 min11:3648 min4 Apr
Port of Spain18:30 → 17:0511:450 min11:4548 min4 Apr
London23:30 → 22:0512:400 min12:4048 min4 Apr
Durban00:30 → 23:0511:350 min11:3548 min4 Apr
Dubai02:30 → 01:0511:580 min11:5848 min4 Apr
Delhi04:00 → 02:3512:010 min12:0048 min4 Apr
Kolkata04:00 → 02:3511:160 min11:1648 min4 Apr
Singapore06:00 → 04:3512:140 min12:1448 min4 Apr
Sydney08:30 → 07:0511:340 min11:3448 min4 Apr
Suva10:30 → 09:0511:460 min11:4548 min4 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
gauri-tritiya@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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