Ruling · Gaurī Tṛtīyā (Gangaur) · 1901

Saturday 23 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 45 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 Friday 22 March

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:02  12:50 madhyāhna ends
Tṛtīyā begins 13:34:54
11:1411:3812:0212:2612:5013:1413:38

0 of 48 minutes covered

Midday of Saturday 23 March

Taken. Tṛtīyā reaches neither midday; the rule takes the second day.

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

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 13:35 on Fri 22 Mar to 10:10 on Sat 23 Mar.

    1901-03-22T05:34:55Z → 1901-03-23T02:09:43Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 22nd, 12:01–12:49 on the 23rd.

    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 22nd and 0 of 48 on the 23rd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: unstated → second-day · margin 2711 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1901: Saturday 23 March.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1901 falls on Saturday 23 March. Tṛtīyā runs from 13:35 on Fri 22 Mar to 10:10 on Sat 23 Mar, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/1901/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 23 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 23 Mar
compat-drikpanchangComparison profileFri 22 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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles21:35 → 18:1011:3648 min11:360 min22 Mar
Chicago23:35 → 20:1011:3448 min11:340 min22 Mar
Jersey City00:35 → 21:1011:4048 min11:390 min22 Mar
Port of Spain01:35 → 22:1011:4948 min11:490 min22 Mar
London05:35 → 02:1011:4448 min11:440 min22 Mar
Durban07:05 → 03:4011:0948 min11:090 min22 Mar
Dubai09:16 → 05:5111:4348 min11:430 min22 Mar
Delhi10:56 → 07:3111:5648 min11:550 min22 Mar
Kolkata10:56 → 07:3111:1148 min11:110 min22 Mar
Singapore12:30 → 09:0511:431 min11:430 min22 Mar
Sydney15:35 → 12:1011:380 min11:3832 min23 Mar
Suva17:30 → 14:0511:440 min11:4448 min23 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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