Ruling · Gaurī Tṛtīyā (Gangaur) · 1995

Monday 3 April

Boundaryin Baoding, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. Say “contested”.

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

Qualifies with 1 of 48 minutes. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
Tṛtīyā begins 12:45:13
11:1011:3411:5812:2212:4613:1013:34

1 of 48 minutes covered, the last 1

Midday of Monday 3 April

Taken. Both middays qualify; the rule is silent, and this one is covered longer.

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 12:45 on Sun 2 Apr to 14:46 on Mon 3 Apr.

    1995-04-02T04:45:14Z → 1995-04-03T06:46:17Z

  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 1 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

    Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 64 s < 300 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1995: Monday 3 April.

    confidence: boundary (margin, tie-break-unstated)

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1995 falls on Monday 3 April. Tṛtīyā runs from 12:45 on Sun 2 Apr to 14:46 on Mon 3 Apr and covers all of madhyāhna that midday. It also reaches the previous midday for 1 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 1 min 04 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1995/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 Angeles20:45 → 23:4612:3348 min12:330 min2 Apr
Chicago22:45 → 01:4612:3148 min12:300 min2 Apr
Jersey City23:45 → 02:4612:3648 min12:360 min2 Apr
Port of Spain00:45 → 02:4611:4648 min11:460 min2 Apr
London05:45 → 07:4612:4148 min12:400 min2 Apr
Durban06:45 → 08:4611:3548 min11:350 min2 Apr
Dubai08:45 → 10:4611:5948 min11:580 min2 Apr
Delhi10:15 → 12:1612:0148 min12:0116 min2 Apr
Kolkata10:15 → 12:1611:1748 min11:1648 min2 Apr
Singapore12:45 → 14:4612:4447 min12:4448 min3 Apr
Sydney14:45 → 16:4611:350 min11:3448 min3 Apr
Suva16:45 → 18:4611:460 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

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