Ruling · Gaurī Tṛtīyā (Gangaur) · 1951

Monday 9 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 490 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 8 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

Midday of Monday 9 April

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

48 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 20:55 on Sun 8 Apr to 22:37 on Mon 9 Apr.

    1951-04-08T12:54:47Z → 1951-04-09T14:36:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 8th, 11:56–12:44 on the 9th.

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

  3. 03

    Rule

    Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.

    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 29408 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1951: Monday 9 April.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1951 falls on Monday 9 April. Tṛtīyā runs from 20:55 on Sun 8 Apr to 22:37 on Mon 9 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1951/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 9 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 9 Apr
compat-drikpanchangComparison profileMon 9 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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles04:55 → 06:3711:3148 min11:310 min8 Apr
Chicago06:55 → 08:3711:2948 min11:290 min8 Apr
Jersey City07:55 → 09:3711:3548 min11:340 min8 Apr
Port of Spain08:55 → 10:3711:4448 min11:440 min8 Apr
London12:55 → 14:3711:390 min11:3948 min9 Apr
Durban14:55 → 16:3711:340 min11:3348 min9 Apr
Dubai16:55 → 18:3711:570 min11:5748 min9 Apr
Delhi18:25 → 20:0711:590 min11:5948 min9 Apr
Kolkata18:25 → 20:0711:150 min11:1548 min9 Apr
Singapore20:25 → 22:0712:130 min12:1248 min9 Apr
Sydney22:55 → 00:3711:330 min11:3348 min9 Apr
Suva00:55 → 02:3711:440 min11:4448 min9 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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