Ruling · Gaurī Tṛtīyā (Gangaur) · 1923

Tuesday 20 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 446 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 20 March

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 12:02  12:50 madhyāhna ends
11:1411:3812:0212:2612:5013:1413:38

48 of 48 minutes covered

Midday of Wednesday 21 March

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:02  12:50 madhyāhna ends
11:1411:3812:0212:2612:5013:1413:38

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 01:58 on Tue 20 Mar to 04:36 on Wed 21 Mar.

    1923-03-19T17:57:58Z → 1923-03-20T20:35:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 20th, 12:02–12:50 on the 21st.

    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 20th and 0 of 48 on the 21st.

    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 26771 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1923: Tuesday 20 March.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1923 falls on Tuesday 20 March. Tṛtīyā runs from 01:58 on Tue 20 Mar to 04:36 on Wed 21 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1923/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 20 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 20 Mar
compat-drikpanchangComparison profileTue 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles09:58 → 12:3611:3748 min11:3748 min19 Mar
Chicago11:58 → 14:3611:3525 min11:3548 min20 Mar
Jersey City12:58 → 15:3611:410 min11:4048 min20 Mar
Port of Spain13:58 → 16:3611:500 min11:5048 min20 Mar
London17:58 → 20:3611:450 min11:4548 min20 Mar
Durban19:58 → 22:3611:400 min11:4048 min20 Mar
Dubai21:58 → 00:3612:030 min12:0348 min20 Mar
Delhi23:28 → 02:0612:050 min12:0548 min20 Mar
Kolkata23:28 → 02:0611:210 min11:2148 min20 Mar
Singapore00:58 → 03:3611:490 min11:4948 min20 Mar
Sydney03:58 → 06:3611:390 min11:3948 min20 Mar
Suva05:58 → 08:3611:500 min11:5048 min20 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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