Ruling · Gaurī Tṛtīyā (Gangaur) · 1937

Tuesday 13 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 354 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 Tuesday 13 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 Wednesday 14 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 06:02 on Tue 13 Apr to 02:37 on Wed 14 Apr.

    1937-04-12T22:01:41Z → 1937-04-13T18:37:26Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 13th, 11:55–12:43 on the 14th.

    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 13th and 0 of 48 on the 14th.

    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 21211 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1937: Tuesday 13 April.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1937 falls on Tuesday 13 April. Tṛtīyā runs from 06:02 on Tue 13 Apr to 02:37 on Wed 14 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1937/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 13 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 13 Apr
compat-drikpanchangComparison profileTue 13 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles14:02 → 10:3711:300 min11:300 min13 Apr
Chicago16:02 → 12:3711:280 min11:2848 min13 Apr
Jersey City17:02 → 13:3711:330 min11:3348 min13 Apr
Port of Spain18:02 → 14:3711:430 min11:4348 min13 Apr
London22:02 → 18:3711:380 min11:3848 min13 Apr
Durban00:02 → 20:3711:330 min11:3248 min13 Apr
Dubai02:02 → 22:3711:560 min11:5648 min13 Apr
Delhi03:32 → 00:0711:580 min11:5848 min13 Apr
Kolkata03:32 → 00:0711:140 min11:1348 min13 Apr
Singapore05:22 → 01:5712:020 min12:0148 min13 Apr
Sydney08:02 → 04:3711:320 min11:3248 min13 Apr
Suva10:02 → 06:3711:430 min11:4348 min13 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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