Ruling · Gaurī Tṛtīyā (Gangaur) · 1948

Monday 12 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 539 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 11 April

Tṛtīyā is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Monday 12 April

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

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 22:00 on Sun 11 Apr to 21:43 on Mon 12 Apr.

    1948-04-11T13:59:39Z → 1948-04-12T13:42:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 11th, 11:55–12:43 on the 12th.

    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 11th and 48 of 48 on the 12th.

    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 32359 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1948: Monday 12 April.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1948 falls on Monday 12 April. Tṛtīyā runs from 22:00 on Sun 11 Apr to 21:43 on Mon 12 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1948/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 12 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 12 Apr
compat-drikpanchangComparison profileMon 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles07:00 → 06:4312:3048 min12:300 min11 Apr
Chicago08:00 → 07:4311:2848 min11:280 min11 Apr
Jersey City09:00 → 08:4311:3448 min11:330 min11 Apr
Port of Spain10:00 → 09:4311:4348 min11:430 min11 Apr
London15:00 → 14:4312:380 min12:3848 min12 Apr
Durban16:00 → 15:4311:330 min11:3348 min12 Apr
Dubai18:00 → 17:4311:560 min11:5648 min12 Apr
Delhi19:30 → 19:1311:580 min11:5848 min12 Apr
Kolkata19:30 → 19:1311:140 min11:1448 min12 Apr
Singapore21:30 → 21:1312:120 min12:1148 min12 Apr
Sydney00:00 → 23:4311:320 min11:3248 min12 Apr
Suva02:00 → 01:4311:430 min11:4348 min12 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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