Ruling · Gaurī Tṛtīyā (Gangaur) · 1975

Monday 14 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 494 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 Monday 14 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

Midday of Tuesday 15 April

Tṛtīyā is absent from madhyāhna. Not taken.

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

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 03:04 on Mon 14 Apr to 03:41 on Tue 15 Apr.

    1975-04-13T19:04:05Z → 1975-04-14T19:40:47Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 14th, 11:55–12:43 on the 15th.

    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 14th and 0 of 48 on the 15th.

    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 29637 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1975: Monday 14 April.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1975 falls on Monday 14 April. Tṛtīyā runs from 03:04 on Mon 14 Apr to 03:41 on Tue 15 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1975/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 14 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 14 Apr
compat-drikpanchangComparison profileMon 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles12:04 → 12:4112:3048 min12:3011 min13 Apr
Chicago14:04 → 14:4112:280 min12:2748 min14 Apr
Jersey City15:04 → 15:4112:330 min12:3348 min14 Apr
Port of Spain15:04 → 15:4111:430 min11:4348 min14 Apr
London20:04 → 20:4112:380 min12:3748 min14 Apr
Durban21:04 → 21:4111:320 min11:3248 min14 Apr
Dubai23:04 → 23:4111:560 min11:5548 min14 Apr
Delhi00:34 → 01:1111:580 min11:5848 min14 Apr
Kolkata00:34 → 01:1111:130 min11:1348 min14 Apr
Singapore02:34 → 03:1112:110 min12:1148 min14 Apr
Sydney05:04 → 05:4111:320 min11:3148 min14 Apr
Suva07:04 → 07:4111:430 min11:4348 min14 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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