Ruling · Rambhā Tṛtīyā · 2021

Sunday 13 June

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 651 minutes.

Decide it for

DaeguDelhiKolkataSingaporeSydneyJersey City

35°52′ N 128°36′ E · Asia/Seoul · GeoNames 1835329

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Sunday 13 June

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

Midday of Monday 14 June

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

Tṛtīyā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Tṛtīyā runs from 23:48 on Sat 12 Jun to 01:11 on Mon 14 Jun.

    2021-06-12T14:48:22Z → 2021-06-13T16:10:46Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 13th, 12:02–12:50 on the 14th.

    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 13th and 0 of 48 on the 14th.

    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: purvaviddha → only-day · margin 39069 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Daegu, 2021: Sunday 13 June.

    confidence: determinate

Say it like this

In Daegu, Rambhā Tṛtīyā 2021 falls on Sunday 13 June. Tṛtīyā runs from 23:48 on Sat 12 Jun to 01:11 on Mon 14 Jun and covers all of madhyāhna that midday.

ahargana.org/daegu/festivals/2021/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 13 Jun
Ahargaṇa, classicalDisc centre, no refractionSun 13 Jun
compat-drikpanchangComparison profileSun 13 Jun
No institution has a recorded ruling for Daegu.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/rambha-tritiya · ruleset 2026.3-draft

Month
Jyeṣṭha, amānta
Pakṣa · aṅga
Śukla · Tṛtīyā
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 102

“S 3 Rambha trtiya (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceTṛtīyāMadhyāhna 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles07:48 → 09:1112:2948 min12:290 min12 Jun
Chicago09:48 → 11:1112:2748 min12:270 min12 Jun
Jersey City10:48 → 12:1112:3248 min12:330 min12 Jun
Port of Spain10:48 → 12:1111:4248 min11:4229 min12 Jun
London15:48 → 17:1112:370 min12:3748 min13 Jun
Durban16:48 → 18:1111:320 min11:3248 min13 Jun
Dubai18:48 → 20:1111:550 min11:5548 min13 Jun
Delhi20:18 → 21:4111:570 min11:5748 min13 Jun
Kolkata20:18 → 21:4111:120 min11:1348 min13 Jun
Singapore22:48 → 00:1112:400 min12:4148 min13 Jun
Sydney00:48 → 02:1111:310 min11:3148 min13 Jun
Suva02:48 → 04:1111:420 min11:4248 min13 Jun
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rambha-tritiya@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa