Ruling · Gaurī Tṛtīyā (Gangaur) · 1980

Wednesday 19 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 195 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 18 March

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:03  12:51 madhyāhna ends
11:1511:3912:0312:2712:5113:1513:39

0 of 48 minutes covered

Midday of Wednesday 19 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

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

How it was decided

  1. 01

    Aṅga

    Tṛtīyā runs from 19:27 on Tue 18 Mar to 16:05 on Wed 19 Mar.

    1980-03-18T11:27:23Z → 1980-03-19T08:05:12Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 18th, 12:02–12:50 on the 19th.

    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 18th and 48 of 48 on the 19th.

    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 11695 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1980: Wednesday 19 March.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1980 falls on Wednesday 19 March. Tṛtīyā runs from 19:27 on Tue 18 Mar to 16:05 on Wed 19 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1980/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 19 Mar
Ahargaṇa, classicalDisc centre, no refractionWed 19 Mar
compat-drikpanchangComparison profileWed 19 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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles03:27 → 00:0511:3748 min11:370 min18 Mar
Chicago05:27 → 02:0511:3548 min11:350 min18 Mar
Jersey City06:27 → 03:0511:4148 min11:400 min18 Mar
Port of Spain07:27 → 04:0511:5048 min11:500 min18 Mar
London12:27 → 09:0512:4548 min12:450 min18 Mar
Durban13:27 → 10:0511:400 min11:390 min19 Mar
Dubai15:27 → 12:0512:030 min12:032 min19 Mar
Delhi16:57 → 13:3512:050 min12:0548 min19 Mar
Kolkata16:57 → 13:3511:210 min11:2148 min19 Mar
Singapore18:57 → 15:3512:190 min12:1848 min19 Mar
Sydney21:27 → 18:0511:390 min11:3948 min19 Mar
Suva23:27 → 20:0511:500 min11:5048 min19 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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