Ruling · Gaurī Tṛtīyā (Gangaur) · 2006

Friday 31 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 8 min 46 s.

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 31 March

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:59  12:47 madhyāhna ends
Tṛtīyā begins 12:07:32
11:1111:3511:5912:2312:4713:1113:35

39 of 48 minutes covered, the last 39

Midday of Saturday 1 April

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

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 12:08 on Fri 31 Mar to 09:45 on Sat 1 Apr.

    2006-03-31T04:07:32Z → 2006-04-01T01:45:11Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 31st, 11:58–12:46 on the 1st.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Tṛtīyā must be present during madhyāhna. It covers 39 of 48 minutes on the 31st and 0 of 48 on the 1st.

    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 526 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 2006: Friday 31 March.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 2006 falls on Friday 31 March. Tṛtīyā runs from 12:08 on Fri 31 Mar to 09:45 on Sat 1 Apr and covers 39 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/2006/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 31 Mar
Ahargaṇa, classicalDisc centre, no refractionFri 31 Mar
compat-drikpanchangComparison profileFri 31 Mar
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 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles20:08 → 17:4511:3348 min11:330 min31 Mar
Chicago22:08 → 19:4511:3148 min11:310 min31 Mar
Jersey City23:08 → 20:4511:3748 min11:370 min31 Mar
Port of Spain00:08 → 21:4511:4648 min11:460 min31 Mar
London05:08 → 02:4512:4148 min12:410 min31 Mar
Durban06:08 → 03:4511:3648 min11:360 min31 Mar
Dubai08:08 → 05:4511:5948 min11:590 min31 Mar
Delhi09:38 → 07:1512:0248 min12:010 min31 Mar
Kolkata09:38 → 07:1511:1748 min11:170 min31 Mar
Singapore12:08 → 09:4512:4548 min12:450 min31 Mar
Sydney15:08 → 12:4512:350 min12:3510 min1 Apr
Suva16:08 → 13:4511:470 min11:4648 min1 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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