Ruling · Gaurī Tṛtīyā (Gangaur) · 1973

Friday 6 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 34 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 Thursday 5 April

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Midday of Friday 6 April

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

madhyāhna begins 11:57  12:45 madhyāhna ends
Tṛtīyā ends 11:22:54
11:0911:3311:5712:2112:4513:0913:33

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 14:18 on Thu 5 Apr to 11:23 on Fri 6 Apr.

    1973-04-05T06:17:44Z → 1973-04-06T03:22:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 5th, 11:57–12:45 on the 6th.

    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 5th and 0 of 48 on the 6th.

    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 2048 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1973: Friday 6 April.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1973 falls on Friday 6 April. Tṛtīyā runs from 14:18 on Thu 5 Apr to 11:23 on Fri 6 Apr, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/1973/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 6 Apr
Ahargaṇa, classicalDisc centre, no refractionFri 6 Apr
compat-drikpanchangComparison profileFri 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles22:18 → 19:2311:3248 min11:320 min5 Apr
Chicago00:18 → 21:2311:3048 min11:290 min5 Apr
Jersey City01:18 → 22:2311:3548 min11:350 min5 Apr
Port of Spain02:18 → 23:2311:4548 min11:450 min5 Apr
London07:18 → 04:2312:4048 min12:400 min5 Apr
Durban08:18 → 05:2311:3448 min11:340 min5 Apr
Dubai10:18 → 07:2311:5848 min11:570 min5 Apr
Delhi11:48 → 08:5312:0048 min12:000 min5 Apr
Kolkata11:48 → 08:5311:1616 min11:150 min5 Apr
Singapore13:48 → 10:5312:130 min12:130 min6 Apr
Sydney16:18 → 13:2311:340 min11:3448 min6 Apr
Suva18:18 → 15:2311:450 min11:4548 min6 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

About Ahargaṇa