Ruling · Gaurī Tṛtīyā (Gangaur) · 2064

Friday 21 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 116 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 Thursday 20 March

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:02  12:50 madhyāhna ends
11:1411:3812:0212:2612:5013:1413:38

0 of 48 minutes covered

Midday of Friday 21 March

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 12:02  12:50 madhyāhna ends
11:1411:3812:0212:2612:5013:1413:38

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 14:46 on Thu 20 Mar to 16:56 on Fri 21 Mar.

    2064-03-20T06:45:32Z → 2064-03-21T08:55:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 20th, 12:02–12:50 on the 21st.

    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 20th and 48 of 48 on the 21st.

    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 6939 s

  5. 05

    Ruling

    Gaurī Tṛtīyā, Baoding, 2064: Friday 21 March.

    confidence: determinate

Say it like this

In Baoding, Gaurī Tṛtīyā (Gangaur) 2064 falls on Friday 21 March. Tṛtīyā runs from 14:46 on Thu 20 Mar to 16:56 on Fri 21 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2064/gauri-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 21 Mar
Ahargaṇa, classicalDisc centre, no refractionFri 21 Mar
compat-drikpanchangComparison profileFri 21 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles23:46 → 01:5612:3648 min12:360 min20 Mar
Chicago01:46 → 03:5612:3448 min12:340 min20 Mar
Jersey City02:46 → 04:5612:4048 min12:400 min20 Mar
Port of Spain02:46 → 04:5611:4948 min11:490 min20 Mar
London06:46 → 08:5611:4448 min11:440 min20 Mar
Durban08:46 → 10:5611:3948 min11:390 min20 Mar
Dubai10:46 → 12:5612:0248 min12:0248 min20 Mar
Delhi12:16 → 14:2612:0537 min12:0448 min21 Mar
Kolkata12:16 → 14:2611:200 min11:2048 min21 Mar
Singapore14:46 → 16:5612:480 min12:4848 min21 Mar
Sydney17:46 → 19:5612:380 min12:3848 min21 Mar
Suva18:46 → 20:5611:500 min11:4948 min21 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

About Ahargaṇa