Ruling · Gaurī Tṛtīyā (Gangaur) · 1945

Sunday 15 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 14 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 Saturday 14 April

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:55  13:43 madhyāhna ends
Tṛtīyā begins 13:56:37
12:0712:3112:5513:1913:4314:0714:31

0 of 48 minutes covered

Midday of Sunday 15 April

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

madhyāhna begins 12:55  13:43 madhyāhna ends
12:0712:3112:5513:1913:4314:0714:31

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 13:57 on Sat 14 Apr to 10:43 on Sun 15 Apr.

    1945-04-14T04:56:38Z → 1945-04-15T01:42:34Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:55–13:43 on the 14th, 12:55–13:43 on the 15th.

    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 14th and 0 of 48 on the 15th.

    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 824 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1945: Sunday 15 April.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1945 falls on Sunday 15 April. Tṛtīyā runs from 13:57 on Sat 14 Apr to 10:43 on Sun 15 Apr, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/1945/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 15 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 15 Apr
compat-drikpanchangComparison profileSat 14 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles21:57 → 18:4312:3048 min12:290 min14 Apr
Chicago23:57 → 20:4312:2748 min12:270 min14 Apr
Jersey City00:57 → 21:4312:3348 min12:330 min14 Apr
Port of Spain01:57 → 22:4312:4248 min12:420 min14 Apr
London06:57 → 03:4313:3748 min13:370 min14 Apr
Durban06:57 → 03:4311:3248 min11:320 min14 Apr
Dubai08:57 → 05:4311:5548 min11:550 min14 Apr
Delhi11:27 → 08:1312:5848 min12:570 min14 Apr
Kolkata11:27 → 08:1312:1348 min12:130 min14 Apr
Singapore13:57 → 10:4313:4132 min13:410 min14 Apr
Sydney14:57 → 11:4311:310 min11:3111 min15 Apr
Suva16:57 → 13:4311:430 min11:4248 min15 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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