Ruling · Gaurī Tṛtīyā (Gangaur) · 1915

Thursday 18 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 227 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 12:03  12:51 madhyāhna ends
11:1511:3912:0312:2712:5113:1513:39

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 06:20 on Thu 18 Mar to 08:16 on Fri 19 Mar.

    1915-03-17T22:19:56Z → 1915-03-19T00:15:35Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 18th, 12:03–12:51 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 13629 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1915: Thursday 18 March.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1915 falls on Thursday 18 March. Tṛtīyā runs from 06:20 on Thu 18 Mar to 08:16 on Fri 19 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1915/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 Angeles14:20 → 16:1611:380 min11:370 min18 Mar
Chicago16:20 → 18:1611:360 min11:350 min18 Mar
Jersey City17:20 → 19:1611:410 min11:410 min18 Mar
Port of Spain18:20 → 20:1611:510 min11:500 min18 Mar
London22:20 → 00:1611:460 min11:450 min18 Mar
Durban00:20 → 02:1611:400 min11:400 min18 Mar
Dubai02:01 → 03:5711:450 min11:440 min18 Mar
Delhi03:50 → 05:4612:060 min12:060 min18 Mar
Kolkata03:50 → 05:4611:220 min11:210 min18 Mar
Singapore05:20 → 07:1611:490 min11:490 min18 Mar
Sydney08:20 → 10:1611:400 min11:390 min18 Mar
Suva10:15 → 12:1111:460 min11:4525 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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