Ruling · Rambhā Tṛtīyā · 2026

Wednesday 17 June

Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 67 minutes.

Decide it for

ChicagoDelhiKolkataSingaporeSydneyJersey City

41°51′ N 87°39′ W · America/Chicago · GeoNames 4887398

The two middays

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

Midday of Tuesday 16 June

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:27  13:15 madhyāhna ends
11:3912:0312:2712:5113:1513:3914:03

0 of 48 minutes covered

Midday of Wednesday 17 June

Taken. Tṛtīyā reaches neither midday; the rule takes the second day.

madhyāhna begins 12:28  13:16 madhyāhna ends
11:4012:0412:2812:5213:1613:4014:04

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 14:23 on Tue 16 Jun to 11:09 on Wed 17 Jun.

    2026-06-16T19:22:54Z → 2026-06-17T16:09:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 16th, 12:28–13:16 on the 17th.

    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 16th and 0 of 48 on the 17th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: purvaviddha → second-day · margin 4048 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Chicago, 2026: Wednesday 17 June.

    confidence: determinate

Say it like this

In Chicago, Rambhā Tṛtīyā 2026 falls on Wednesday 17 June. Tṛtīyā runs from 14:23 on Tue 16 Jun to 11:09 on Wed 17 Jun, and reaches madhyāhna on neither day.

ahargana.org/chicago/festivals/2026/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 17 Jun
Ahargaṇa, classicalDisc centre, no refractionWed 17 Jun
compat-drikpanchangComparison profileWed 17 Jun
No institution has a recorded ruling for Chicago.

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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles12:23 → 09:0912:3048 min12:300 min16 Jun
Chicago14:23 → 11:0912:270 min12:280 min17 Jun
Jersey City15:23 → 12:0912:330 min12:330 min17 Jun
Port of Spain15:23 → 12:0911:430 min11:4326 min17 Jun
London20:23 → 17:0912:370 min12:3848 min17 Jun
Durban21:23 → 18:0911:330 min11:3348 min17 Jun
Dubai23:23 → 20:0911:550 min11:5648 min17 Jun
Delhi00:53 → 21:3911:580 min11:5848 min17 Jun
Kolkata00:53 → 21:3911:130 min11:1348 min17 Jun
Singapore03:23 → 00:0912:410 min12:4148 min17 Jun
Sydney05:23 → 02:0911:320 min11:3248 min17 Jun
Suva07:23 → 04:0911:430 min11:4348 min17 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