Ruling · Gaurī Tṛtīyā (Gangaur) · 1910

Tuesday 12 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 353 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 11 April

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

0 of 48 minutes covered

Midday of Tuesday 12 April

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

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 21:59 on Mon 11 Apr to 18:37 on Tue 12 Apr.

    1910-04-11T13:59:18Z → 1910-04-12T10:36:44Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 11th, 11:56–12:44 on the 12th.

    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 11th and 48 of 48 on the 12th.

    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 21191 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1910: Tuesday 12 April.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1910 falls on Tuesday 12 April. Tṛtīyā runs from 21:59 on Mon 11 Apr to 18:37 on Tue 12 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1910/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 12 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 12 Apr
compat-drikpanchangComparison profileTue 12 Apr
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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles05:59 → 02:3711:3048 min11:300 min11 Apr
Chicago07:59 → 04:3711:2848 min11:280 min11 Apr
Jersey City08:59 → 05:3711:3448 min11:340 min11 Apr
Port of Spain09:59 → 06:3711:4348 min11:430 min11 Apr
London13:59 → 10:3711:380 min11:380 min12 Apr
Durban15:59 → 12:3711:330 min11:3348 min12 Apr
Dubai17:40 → 14:1811:370 min11:3748 min12 Apr
Delhi19:29 → 16:0711:590 min11:5848 min12 Apr
Kolkata19:29 → 16:0711:140 min11:1448 min12 Apr
Singapore20:59 → 17:3711:420 min11:4248 min12 Apr
Sydney23:59 → 20:3711:320 min11:3248 min12 Apr
Suva01:54 → 22:3211:390 min11:3848 min12 Apr
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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