Ruling · Gaurī Tṛtīyā (Gangaur) · 1927

Monday 4 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 422 minutes.

Decide it for

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 4 April

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

Midday of Tuesday 5 April

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

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 04:56 on Mon 4 Apr to 01:46 on Tue 5 Apr.

    1927-04-03T20:55:33Z → 1927-04-04T17:45:34Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 4th, 11:58–12:46 on the 5th.

    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 4th and 0 of 48 on the 5th.

    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 25339 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1927: Monday 4 April.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1927 falls on Monday 4 April. Tṛtīyā runs from 04:56 on Mon 4 Apr to 01:46 on Tue 5 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1927/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 4 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 4 Apr
compat-drikpanchangComparison profileMon 4 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles12:56 → 09:4611:330 min11:320 min4 Apr
Chicago14:56 → 11:4611:300 min11:3015 min4 Apr
Jersey City15:56 → 12:4611:360 min11:3648 min4 Apr
Port of Spain16:56 → 13:4611:460 min11:4548 min4 Apr
London20:56 → 17:4611:410 min11:4048 min4 Apr
Durban22:56 → 19:4611:350 min11:3548 min4 Apr
Dubai00:56 → 21:4611:590 min11:5848 min4 Apr
Delhi02:26 → 23:1612:010 min12:0148 min4 Apr
Kolkata02:26 → 23:1611:160 min11:1648 min4 Apr
Singapore03:56 → 00:4611:440 min11:4448 min4 Apr
Sydney06:56 → 03:4611:350 min11:3448 min4 Apr
Suva08:56 → 05:4611:460 min11:4648 min4 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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