Ruling · Gaurī Tṛtīyā (Gangaur) · 1991

Tuesday 19 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 29 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 Monday 18 March

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:03  12:51 madhyāhna ends
Tṛtīyā begins 13:25:59
11:1511:3912:0312:2712:5113:1513:39

0 of 48 minutes covered

Midday of Tuesday 19 March

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

madhyāhna begins 12:02  12:50 madhyāhna ends
Tṛtīyā ends 11:33:29
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 13:26 on Mon 18 Mar to 11:33 on Tue 19 Mar.

    1991-03-18T05:25:59Z → 1991-03-19T03:33:30Z

  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 0 of 48 on the 19th.

    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 1739 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1991: Tuesday 19 March.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1991 falls on Tuesday 19 March. Tṛtīyā runs from 13:26 on Mon 18 Mar to 11:33 on Tue 19 Mar, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/1991/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 19 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 19 Mar
compat-drikpanchangComparison profileTue 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 Angeles21:26 → 19:3311:3748 min11:370 min18 Mar
Chicago23:26 → 21:3311:3548 min11:350 min18 Mar
Jersey City00:26 → 22:3311:4148 min11:410 min18 Mar
Port of Spain01:26 → 23:3311:5048 min11:500 min18 Mar
London05:26 → 03:3311:4548 min11:450 min18 Mar
Durban07:26 → 05:3311:4048 min11:400 min18 Mar
Dubai09:26 → 07:3312:0348 min12:030 min18 Mar
Delhi10:56 → 09:0312:0648 min12:050 min18 Mar
Kolkata10:56 → 09:0311:2148 min11:210 min18 Mar
Singapore13:26 → 11:3312:4911 min12:490 min18 Mar
Sydney15:26 → 13:3311:390 min11:3948 min19 Mar
Suva17:26 → 15:3311:510 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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