Ruling · Gaurī Tṛtīyā (Gangaur) · 1908

Friday 3 April

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 141 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Friday 3 April

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:20  12:08 madhyāhna ends
10:3210:5611:2011:4412:0812:3212:56

48 of 48 minutes covered

Midday of Saturday 4 April

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:20  12:08 madhyāhna ends
10:3210:5611:2011:4412:0812:3212:56

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 08:59 on Fri 3 Apr to 07:54 on Sat 4 Apr.

    1908-04-03T00:58:53Z → 1908-04-03T23:54:13Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:20–12:08 on the 3rd, 11:20–12:08 on the 4th.

    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 3rd and 0 of 48 on the 4th.

    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 8464 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Daqing, 1908: Friday 3 April.

    confidence: determinate

Say it like this

In Daqing, Gaurī Tṛtīyā (Gangaur) 1908 falls on Friday 3 April. Tṛtīyā runs from 08:59 on Fri 3 Apr to 07:54 on Sat 4 Apr and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1908/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 3 Apr
Ahargaṇa, classicalDisc centre, no refractionFri 3 Apr
compat-drikpanchangComparison profileFri 3 Apr
No institution has a recorded ruling for Daqing.

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 Angeles16:59 → 15:5411:3348 min11:320 min3 Apr
Chicago18:59 → 17:5411:3048 min11:300 min3 Apr
Jersey City19:59 → 18:5411:3648 min11:360 min3 Apr
Port of Spain20:59 → 19:5411:4648 min11:450 min3 Apr
London00:59 → 23:5411:4048 min11:400 min3 Apr
Durban02:59 → 01:5411:3548 min11:350 min3 Apr
Dubai04:40 → 03:3511:3948 min11:390 min3 Apr
Delhi06:29 → 05:2412:0148 min12:000 min3 Apr
Kolkata06:29 → 05:2411:1648 min11:160 min3 Apr
Singapore07:59 → 06:5411:4448 min11:440 min3 Apr
Sydney10:59 → 09:5411:3448 min11:340 min3 Apr
Suva12:54 → 11:4911:410 min11:409 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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