Ruling · Gaurī Tṛtīyā (Gangaur) · 1903

Tuesday 31 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 240 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 Tuesday 31 March

Taken. The only midday Tṛtīyā reaches.

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

48 of 48 minutes covered

Midday of Wednesday 1 April

Tṛtīyā is absent from madhyāhna. Not taken.

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

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 07:59 on Tue 31 Mar to 06:40 on Wed 1 Apr.

    1903-03-30T23:58:49Z → 1903-03-31T22:39:46Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 31st, 11:59–12:47 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 48 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 14419 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1903: Tuesday 31 March.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1903 falls on Tuesday 31 March. Tṛtīyā runs from 07:59 on Tue 31 Mar to 06:40 on Wed 1 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1903/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 31 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 31 Mar
compat-drikpanchangComparison profileTue 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 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles15:59 → 14:4011:340 min11:3448 min31 Mar
Chicago17:59 → 16:4011:320 min11:3148 min31 Mar
Jersey City18:59 → 17:4011:370 min11:3748 min31 Mar
Port of Spain19:59 → 18:4011:470 min11:4748 min31 Mar
London23:59 → 22:4011:420 min11:4248 min31 Mar
Durban01:59 → 00:4011:370 min11:3648 min31 Mar
Dubai03:40 → 02:2111:410 min11:4148 min31 Mar
Delhi05:20 → 04:0111:530 min11:5348 min31 Mar
Kolkata05:20 → 04:0111:090 min11:0848 min31 Mar
Singapore06:54 → 05:3511:410 min11:4048 min31 Mar
Sydney09:59 → 08:4011:360 min11:3648 min31 Mar
Suva11:54 → 10:3511:420 min11:4236 min31 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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