Ruling · Gaurī Tṛtīyā (Gangaur) · 2092

Wednesday 9 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 Wednesday 9 April

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

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

48 of 48 minutes covered

Midday of Thursday 10 April

Qualifies with 5 of 48 minutes. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
Tṛtīyā ends 12:00:58
11:0811:3211:5612:2012:4413:0813:32

5 of 48 minutes covered, the first 5

Tṛtīyā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Tṛtīyā runs from 09:40 on Wed 9 Apr to 12:01 on Thu 10 Apr.

    2092-04-09T01:39:48Z → 2092-04-10T04:00:58Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 9th, 11:56–12:44 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 5 of 48 on the 10th.

    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 302 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 2092: Wednesday 9 April.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 2092 falls on Wednesday 9 April. Tṛtīyā runs from 09:40 on Wed 9 Apr to 12:01 on Thu 10 Apr and covers all of madhyāhna that midday. It also reaches the next midday for 5 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/baoding/festivals/2092/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 9 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 9 Apr
compat-drikpanchangComparison profileWed 9 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles18:40 → 21:0112:3148 min12:310 min9 Apr
Chicago20:40 → 23:0112:2948 min12:280 min9 Apr
Jersey City21:40 → 00:0112:3448 min12:340 min9 Apr
Port of Spain21:40 → 00:0111:4448 min11:430 min9 Apr
London02:40 → 05:0112:3948 min12:380 min9 Apr
Durban03:40 → 06:0111:3348 min11:330 min9 Apr
Dubai05:40 → 08:0111:5748 min11:560 min9 Apr
Delhi07:10 → 09:3111:5948 min11:590 min9 Apr
Kolkata07:10 → 09:3111:1448 min11:140 min9 Apr
Singapore09:40 → 12:0112:4248 min12:420 min9 Apr
Sydney11:40 → 14:0111:3341 min11:3248 min10 Apr
Suva13:40 → 16:0111:440 min11:4448 min10 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