Ruling · Gaurī Tṛtīyā (Gangaur) · 2017

Thursday 30 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 402 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 Thursday 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 Friday 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 05:17 on Thu 30 Mar to 02:13 on Fri 31 Mar.

    2017-03-29T21:17:03Z → 2017-03-30T18:12:50Z

  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 24114 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 2017: Thursday 30 March.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 2017 falls on Thursday 30 March. Tṛtīyā runs from 05:17 on Thu 30 Mar to 02:13 on Fri 31 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2017/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 30 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 30 Mar
compat-drikpanchangComparison profileThu 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 Angeles14:17 → 11:1312:340 min12:340 min30 Mar
Chicago16:17 → 13:1312:320 min12:3142 min30 Mar
Jersey City17:17 → 14:1312:370 min12:3748 min30 Mar
Port of Spain17:17 → 14:1311:470 min11:4648 min30 Mar
London22:17 → 19:1312:420 min12:4148 min30 Mar
Durban23:17 → 20:1311:360 min11:3648 min30 Mar
Dubai01:17 → 22:1312:000 min11:5948 min30 Mar
Delhi02:47 → 23:4312:020 min12:0248 min30 Mar
Kolkata02:47 → 23:4311:170 min11:1748 min30 Mar
Singapore05:17 → 02:1312:450 min12:4548 min30 Mar
Sydney08:17 → 05:1312:360 min12:3548 min30 Mar
Suva09:17 → 06:1311:470 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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