Ruling · Gaurī Tṛtīyā (Gangaur) · 1913

Wednesday 9 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 421 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 Wednesday 9 April

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

48 of 48 minutes covered

Midday of Thursday 10 April

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

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 04:21 on Wed 9 Apr to 04:55 on Thu 10 Apr.

    1913-04-08T20:20:31Z → 1913-04-09T20:55:01Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 9th, 11:56–12:44 on the 10th.

    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 9th and 0 of 48 on the 10th.

    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 25262 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1913: Wednesday 9 April.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1913 falls on Wednesday 9 April. Tṛtīyā runs from 04:21 on Wed 9 Apr to 04:55 on Thu 10 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1913/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 9 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 9 Apr
compat-drikpanchangComparison profileWed 9 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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles12:21 → 12:5511:310 min11:3148 min9 Apr
Chicago14:21 → 14:5511:290 min11:2948 min9 Apr
Jersey City15:21 → 15:5511:350 min11:3448 min9 Apr
Port of Spain16:21 → 16:5511:440 min11:4448 min9 Apr
London20:21 → 20:5511:390 min11:3948 min9 Apr
Durban22:21 → 22:5511:340 min11:3348 min9 Apr
Dubai00:02 → 00:3611:380 min11:3848 min9 Apr
Delhi01:51 → 02:2511:590 min11:5948 min9 Apr
Kolkata01:51 → 02:2511:150 min11:1548 min9 Apr
Singapore03:21 → 03:5511:430 min11:4248 min9 Apr
Sydney06:21 → 06:5511:330 min11:3348 min9 Apr
Suva08:16 → 08:5011:390 min11:3948 min9 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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