Ruling · Gaurī Tṛtīyā (Gangaur) · 1959

Saturday 11 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 216 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 Friday 10 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 Saturday 11 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 16:20 on Fri 10 Apr to 18:56 on Sat 11 Apr.

    1959-04-10T08:20:26Z → 1959-04-11T10:56:16Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 10th, 11:56–12:44 on the 11th.

    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 10th and 48 of 48 on the 11th.

    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 12982 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1959: Saturday 11 April.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1959 falls on Saturday 11 April. Tṛtīyā runs from 16:20 on Fri 10 Apr to 18:56 on Sat 11 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1959/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 11 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 11 Apr
compat-drikpanchangComparison profileSat 11 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles00:20 → 02:5611:3148 min11:300 min10 Apr
Chicago02:20 → 04:5611:2848 min11:280 min10 Apr
Jersey City03:20 → 05:5611:3448 min11:340 min10 Apr
Port of Spain04:20 → 06:5611:4448 min11:430 min10 Apr
London08:20 → 10:5611:3948 min11:380 min10 Apr
Durban10:20 → 12:5611:3348 min11:3348 min10 Apr
Dubai12:20 → 14:5611:5624 min11:5648 min11 Apr
Delhi13:50 → 16:2611:590 min11:5948 min11 Apr
Kolkata13:50 → 16:2611:140 min11:1448 min11 Apr
Singapore15:50 → 18:2612:120 min12:1248 min11 Apr
Sydney18:20 → 20:5611:330 min11:3248 min11 Apr
Suva20:20 → 22:5611:440 min11:4448 min11 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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