Ruling · Gaurī Tṛtīyā (Gangaur) · 2031

Tuesday 25 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 37 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 25 March

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

48 of 48 minutes covered

Midday of Wednesday 26 March

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
Tṛtīyā ends 11:23:02
11:1211:3612:0012:2412:4813:1213:36

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 10:52 on Tue 25 Mar to 11:23 on Wed 26 Mar.

    2031-03-25T02:52:01Z → 2031-03-26T03:23:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 25th, 12:00–12:48 on the 26th.

    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 25th and 0 of 48 on the 26th.

    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 2235 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 2031: Tuesday 25 March.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 2031 falls on Tuesday 25 March. Tṛtīyā runs from 10:52 on Tue 25 Mar to 11:23 on Wed 26 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2031/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 25 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 25 Mar
compat-drikpanchangComparison profileTue 25 Mar
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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles19:52 → 20:2312:3548 min12:350 min25 Mar
Chicago21:52 → 22:2312:3348 min12:330 min25 Mar
Jersey City22:52 → 23:2312:3948 min12:380 min25 Mar
Port of Spain22:52 → 23:2311:4848 min11:480 min25 Mar
London02:52 → 03:2311:4348 min11:430 min25 Mar
Durban04:52 → 05:2311:3848 min11:370 min25 Mar
Dubai06:52 → 07:2312:0148 min12:010 min25 Mar
Delhi08:22 → 08:5312:0348 min12:030 min25 Mar
Kolkata08:22 → 08:5311:1948 min11:190 min25 Mar
Singapore10:52 → 11:2312:4748 min12:460 min25 Mar
Sydney13:52 → 14:2312:370 min12:3748 min26 Mar
Suva14:52 → 15:2311:480 min11:4848 min26 Mar
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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