Ruling · Gaurī Tṛtīyā (Gangaur) · 1986

Saturday 12 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 316 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 Friday 11 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

Midday of Saturday 12 April

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

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 18:00 on Fri 11 Apr to 20:24 on Sat 12 Apr.

    1986-04-11T09:59:42Z → 1986-04-12T12:24:14Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 11th, 11:55–12:43 on the 12th.

    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 11th and 48 of 48 on the 12th.

    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 18961 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1986: Saturday 12 April.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1986 falls on Saturday 12 April. Tṛtīyā runs from 18:00 on Fri 11 Apr to 20:24 on Sat 12 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1986/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 12 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 12 Apr
compat-drikpanchangComparison profileSat 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles02:00 → 04:2411:3048 min11:300 min11 Apr
Chicago04:00 → 06:2411:2848 min11:280 min11 Apr
Jersey City05:00 → 07:2411:3448 min11:330 min11 Apr
Port of Spain06:00 → 08:2411:4348 min11:430 min11 Apr
London11:00 → 13:2412:3848 min12:3846 min11 Apr
Durban12:00 → 14:2411:3321 min11:3348 min12 Apr
Dubai14:00 → 16:2411:560 min11:5648 min12 Apr
Delhi15:30 → 17:5411:580 min11:5848 min12 Apr
Kolkata15:30 → 17:5411:140 min11:1448 min12 Apr
Singapore18:00 → 20:2412:420 min12:4248 min12 Apr
Sydney20:00 → 22:2411:320 min11:3248 min12 Apr
Suva22:00 → 00:2411:430 min11:4348 min12 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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