Ruling · Gaurī Tṛtīyā (Gangaur) · 1998

Monday 30 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 495 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Monday 30 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 Tuesday 31 March

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 03:44 on Mon 30 Mar to 00:19 on Tue 31 Mar.

    1998-03-29T19:43:39Z → 1998-03-30T16:18:52Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 30th, 11:59–12:47 on the 31st.

    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 30th and 0 of 48 on the 31st.

    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 29727 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 1998: Monday 30 March.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 1998 falls on Monday 30 March. Tṛtīyā runs from 03:44 on Mon 30 Mar to 00:19 on Tue 31 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1998/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 30 Mar
Ahargaṇa, classicalDisc centre, no refractionMon 30 Mar
compat-drikpanchangComparison profileMon 30 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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles11:44 → 08:1911:3438 min11:340 min29 Mar
Chicago13:44 → 10:1911:320 min11:310 min30 Mar
Jersey City14:44 → 11:1911:370 min11:370 min30 Mar
Port of Spain15:44 → 12:1911:470 min11:4732 min30 Mar
London20:44 → 17:1912:420 min12:4248 min30 Mar
Durban21:44 → 18:1911:370 min11:3648 min30 Mar
Dubai23:44 → 20:1912:000 min12:0048 min30 Mar
Delhi01:14 → 21:4912:020 min12:0248 min30 Mar
Kolkata01:14 → 21:4911:180 min11:1748 min30 Mar
Singapore03:44 → 00:1912:460 min12:4548 min30 Mar
Sydney05:44 → 02:1911:360 min11:3648 min30 Mar
Suva07:44 → 04:1911:470 min11:4748 min30 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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