Ruling · Rathayātrā · 2023

Tuesday 20 June

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 15 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 Monday 19 June

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 12:04  12:52 madhyāhna ends
Dvitīyā begins 11:25:58
11:1611:4012:0412:2812:5213:1613:40

48 of 48 minutes covered

Midday of Tuesday 20 June

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 12:04  12:52 madhyāhna ends
Dvitīyā ends 13:07:45
11:1611:4012:0412:2812:5213:1613:40

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 11:26 on Mon 19 Jun to 13:08 on Tue 20 Jun.

    2023-06-19T05:55:58Z → 2023-06-20T07:37:46Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 19th, 12:04–12:52 on the 20th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 48 of 48 on the 20th.

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

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 921 s

  5. 05

    Ruling

    Rathayātrā, Ujjain, 2023: Tuesday 20 June.

    confidence: determinate

Say it like this

In Ujjain, Rathayātrā 2023 falls on Tuesday 20 June. Dvitīyā runs from 11:26 on Mon 19 Jun to 13:08 on Tue 20 Jun and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.

ahargana.org/ujjain/festivals/2023/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 20 Jun
Ahargaṇa, classicalDisc centre, no refractionTue 20 Jun
compat-drikpanchangComparison profileTue 20 Jun
Rashtriya PanchangPrincipal festivals, 2023-24Tue 20 Jun

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

The rule, as data

/rules/rathayatra · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Dvitīyā
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 102

“S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102. The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvitīyāMadhyāhna 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles22:56 → 00:3812:3048 min12:310 min19 Jun
Chicago00:56 → 02:3812:2848 min12:280 min19 Jun
Jersey City01:56 → 03:3812:3448 min12:340 min19 Jun
Port of Spain01:56 → 03:3811:4348 min11:440 min19 Jun
London06:56 → 08:3812:3848 min12:380 min19 Jun
Durban07:56 → 09:3811:3348 min11:330 min19 Jun
Dubai09:56 → 11:3811:5648 min11:560 min19 Jun
Delhi11:26 → 13:0811:5848 min11:5948 min20 Jun
Kolkata11:26 → 13:0811:1436 min11:1448 min20 Jun
Singapore13:56 → 15:3812:420 min12:4248 min20 Jun
Sydney15:56 → 17:3811:320 min11:3348 min20 Jun
Suva17:56 → 19:3811:440 min11:4448 min20 Jun
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rathayatra@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s