Ruling · Gaurī Tṛtīyā (Gangaur) · 2090

Monday 3 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 135 minutes.

Decide it for

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 2 April

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

0 of 48 minutes covered

Midday of Monday 3 April

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

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 15:01 on Sun 2 Apr to 15:57 on Mon 3 Apr.

    2090-04-02T07:01:09Z → 2090-04-03T07:56:51Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 2nd, 11:58–12:46 on the 3rd.

    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 2nd and 48 of 48 on the 3rd.

    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 8093 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 2090: Monday 3 April.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 2090 falls on Monday 3 April. Tṛtīyā runs from 15:01 on Sun 2 Apr to 15:57 on Mon 3 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2090/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 3 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 3 Apr
compat-drikpanchangComparison profileMon 3 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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles00:01 → 00:5712:3348 min12:330 min2 Apr
Chicago02:01 → 02:5712:3148 min12:300 min2 Apr
Jersey City03:01 → 03:5712:3648 min12:360 min2 Apr
Port of Spain03:01 → 03:5711:4648 min11:460 min2 Apr
London08:01 → 08:5712:4148 min12:400 min2 Apr
Durban09:01 → 09:5711:3548 min11:350 min2 Apr
Dubai11:01 → 11:5711:5948 min11:580 min2 Apr
Delhi12:31 → 13:2712:0118 min12:0148 min3 Apr
Kolkata12:31 → 13:2711:160 min11:1648 min3 Apr
Singapore15:01 → 15:5712:440 min12:4448 min3 Apr
Sydney17:01 → 17:5711:350 min11:3448 min3 Apr
Suva19:01 → 19:5711:460 min11:4648 min3 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

About Ahargaṇa