Ruling · Gaurī Tṛtīyā (Gangaur) · 2027

Friday 9 April

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 534 minutes.

Decide it for

UjjainDelhiKolkataSingaporeSydneyJersey City

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two middays

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

Midday of Friday 9 April

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 12:05  12:53 madhyāhna ends
11:1711:4112:0512:2912:5313:1713:41

48 of 48 minutes covered

Midday of Saturday 10 April

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:04  12:52 madhyāhna ends
11:1611:4012:0412:2812:5213:1613:40

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 03:11 on Fri 9 Apr to 01:32 on Sat 10 Apr.

    2027-04-08T21:40:39Z → 2027-04-09T20:02:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 9th, 12:04–12:52 on the 10th.

    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 9th and 0 of 48 on the 10th.

    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 32047 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Ujjain, 2027: Friday 9 April.

    confidence: determinate

Say it like this

In Ujjain, Gaurī Tṛtīyā (Gangaur) 2027 falls on Friday 9 April. Tṛtīyā runs from 03:11 on Fri 9 Apr to 01:32 on Sat 10 Apr and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2027/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 9 Apr
Ahargaṇa, classicalDisc centre, no refractionFri 9 Apr
compat-drikpanchangComparison profileFri 9 Apr
Rashtriya PanchangPrincipal festivals, 2026-27Fri 9 Apr

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 Angeles14:41 → 13:0212:310 min12:3132 min9 Apr
Chicago16:41 → 15:0212:290 min12:2948 min9 Apr
Jersey City17:41 → 16:0212:350 min12:3448 min9 Apr
Port of Spain17:41 → 16:0211:440 min11:4448 min9 Apr
London22:41 → 21:0212:390 min12:3948 min9 Apr
Durban23:41 → 22:0211:340 min11:3348 min9 Apr
Dubai01:41 → 00:0211:570 min11:5748 min9 Apr
Delhi03:11 → 01:3211:590 min11:5948 min9 Apr
Kolkata03:11 → 01:3211:150 min11:1448 min9 Apr
Singapore05:41 → 04:0212:430 min12:4248 min9 Apr
Sydney07:41 → 06:0211:330 min11:3348 min9 Apr
Suva09:41 → 08:0211:440 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