Ruling · Gaurī Tṛtīyā (Gangaur) · 2010

Thursday 18 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 204 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 Thursday 18 March

Taken. The only midday Tṛtīyā reaches.

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

48 of 48 minutes covered

Midday of Friday 19 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 07:50 on Thu 18 Mar to 08:39 on Fri 19 Mar.

    2010-03-17T23:50:09Z → 2010-03-19T00:38:51Z

  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 48 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

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 12210 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 2010: Thursday 18 March.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 2010 falls on Thursday 18 March. Tṛtīyā runs from 07:50 on Thu 18 Mar to 08:39 on Fri 19 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2010/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 18 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 18 Mar
compat-drikpanchangComparison profileThu 18 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 17thCoveredMadhyāhna 19thCoveredRuled
Los Angeles16:50 → 17:3912:380 min12:370 min18 Mar
Chicago18:50 → 19:3912:350 min12:350 min18 Mar
Jersey City19:50 → 20:3912:410 min12:400 min18 Mar
Port of Spain19:50 → 20:3911:500 min11:500 min18 Mar
London23:50 → 00:3911:450 min11:450 min18 Mar
Durban01:50 → 02:3911:400 min11:390 min18 Mar
Dubai03:50 → 04:3912:030 min12:030 min18 Mar
Delhi05:20 → 06:0912:060 min12:050 min18 Mar
Kolkata05:20 → 06:0911:210 min11:210 min18 Mar
Singapore07:50 → 08:3912:490 min12:480 min18 Mar
Sydney10:50 → 11:3912:390 min12:390 min18 Mar
Suva12:50 → 13:3912:510 min12:5048 min18 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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