Ruling · Gaurī Tṛtīyā (Gangaur) · 1925

Friday 27 March

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 491 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 Thursday 26 March

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:22  12:10 madhyāhna ends
10:3410:5811:2211:4612:1012:3412:58

0 of 48 minutes covered

Midday of Friday 27 March

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:22  12:10 madhyāhna ends
10:3410:5811:2211:4612:1012:3412:58

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 20:21 on Thu 26 Mar to 20:25 on Fri 27 Mar.

    1925-03-26T12:21:25Z → 1925-03-27T12:24:30Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 26th, 11:22–12:10 on the 27th.

    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 26th and 48 of 48 on the 27th.

    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 29460 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Daqing, 1925: Friday 27 March.

    confidence: determinate

Say it like this

In Daqing, Gaurī Tṛtīyā (Gangaur) 1925 falls on Friday 27 March. Tṛtīyā runs from 20:21 on Thu 26 Mar to 20:25 on Fri 27 Mar and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1925/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 27 Mar
Ahargaṇa, classicalDisc centre, no refractionFri 27 Mar
compat-drikpanchangComparison profileFri 27 Mar
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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles04:21 → 04:2511:3548 min11:350 min26 Mar
Chicago06:21 → 06:2511:3348 min11:320 min26 Mar
Jersey City07:21 → 07:2511:3848 min11:380 min26 Mar
Port of Spain08:21 → 08:2511:4848 min11:480 min26 Mar
London12:21 → 12:2511:439 min11:4342 min27 Mar
Durban14:21 → 14:2511:380 min11:3748 min27 Mar
Dubai16:21 → 16:2512:010 min12:0148 min27 Mar
Delhi17:51 → 17:5512:030 min12:0348 min27 Mar
Kolkata17:51 → 17:5511:190 min11:1848 min27 Mar
Singapore19:21 → 19:2511:470 min11:4648 min27 Mar
Sydney22:21 → 22:2511:370 min11:3748 min27 Mar
Suva00:21 → 00:2511:480 min11:4848 min27 Mar
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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