Ruling · Gaurī Tṛtīyā (Gangaur) · 1917

Sunday 25 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 317 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 Sunday 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 Monday 26 March

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
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 06:43 on Sun 25 Mar to 04:54 on Mon 26 Mar.

    1917-03-24T22:43:23Z → 1917-03-25T20:53:46Z

  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 19043 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1917: Sunday 25 March.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1917 falls on Sunday 25 March. Tṛtīyā runs from 06:43 on Sun 25 Mar to 04:54 on Mon 26 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1917/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 25 Mar
Ahargaṇa, classicalDisc centre, no refractionSun 25 Mar
compat-drikpanchangComparison profileSun 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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles14:43 → 12:5411:360 min11:3548 min25 Mar
Chicago16:43 → 14:5411:330 min11:3348 min25 Mar
Jersey City17:43 → 15:5411:390 min11:3948 min25 Mar
Port of Spain18:43 → 16:5411:490 min11:4848 min25 Mar
London22:43 → 20:5411:440 min11:4348 min25 Mar
Durban00:43 → 22:5411:380 min11:3848 min25 Mar
Dubai02:24 → 00:3511:420 min11:4248 min25 Mar
Delhi04:13 → 02:2412:040 min12:0448 min25 Mar
Kolkata04:13 → 02:2411:190 min11:1948 min25 Mar
Singapore05:43 → 03:5411:470 min11:4748 min25 Mar
Sydney08:43 → 06:5412:380 min11:3748 min25 Mar
Suva10:43 → 08:5411:490 min11:4948 min25 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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