Ruling · Rambhā Tṛtīyā · 2025

Thursday 29 May

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 606 minutes.

Decide it for

UjjainDelhiKolkataSingaporeSydneyJersey City

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two middays

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

Midday of Thursday 29 May

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

48 of 48 minutes covered

Midday of Friday 30 May

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

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 01:55 on Thu 29 May to 23:19 on Thu 29 May.

    2025-05-28T20:24:54Z → 2025-05-29T17:48:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 29th, 12:01–12:49 on the 30th.

    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 29th and 0 of 48 on the 30th.

    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 36330 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Ujjain, 2025: Thursday 29 May.

    confidence: determinate

Say it like this

In Ujjain, Rambhā Tṛtīyā 2025 falls on Thursday 29 May. Tṛtīyā runs from 01:55 on Thu 29 May to 23:19 on Thu 29 May and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2025/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 29 May
Ahargaṇa, classicalDisc centre, no refractionThu 29 May
compat-drikpanchangComparison profileThu 29 May
No institution has a recorded ruling for Ujjain.

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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles13:25 → 10:4912:260 min12:270 min29 May
Chicago15:25 → 12:4912:240 min12:2424 min29 May
Jersey City16:25 → 13:4912:300 min12:3048 min29 May
Port of Spain16:25 → 13:4911:390 min11:4048 min29 May
London21:25 → 18:4912:340 min12:3448 min29 May
Durban22:25 → 19:4911:290 min11:2948 min29 May
Dubai00:25 → 21:4911:520 min11:5248 min29 May
Delhi01:55 → 23:1911:540 min11:5548 min29 May
Kolkata01:55 → 23:1911:100 min11:1048 min29 May
Singapore04:25 → 01:4912:380 min12:3848 min29 May
Sydney06:25 → 03:4911:280 min11:2848 min29 May
Suva08:25 → 05:4911:390 min11:4048 min29 May
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