Ruling · Rathayātrā · 2050

Tuesday 21 June

Determinatein Riyadh, under the Rashtriya Panchang method. Clear of every threshold by 22 minutes.

Decide it for

RiyadhDelhiKolkataSingaporeSydneyJersey City

24°41′ N 46°43′ E · Asia/Riyadh · GeoNames 108410

The two middays

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

Midday of Monday 20 June

Qualifies with 26 of 48 minutes. Not taken.

madhyāhna begins 11:31  12:19 madhyāhna ends
Dvitīyā begins 11:52:51
10:4311:0711:3111:5512:1912:4313:07

26 of 48 minutes covered, the last 26

Midday of Tuesday 21 June

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

madhyāhna begins 11:31  12:19 madhyāhna ends
Dvitīyā ends 12:52:17
10:4311:0711:3111:5512:1912:4313:07

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 11:53 on Mon 20 Jun to 12:52 on Tue 21 Jun.

    2050-06-20T08:52:51Z → 2050-06-21T09:52:17Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 20th, 11:31–12:19 on the 21st.

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

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 26 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

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 1321 s

  5. 05

    Ruling

    Rathayātrā, Riyadh, 2050: Tuesday 21 June.

    confidence: determinate

Say it like this

In Riyadh, Rathayātrā 2050 falls on Tuesday 21 June. Dvitīyā runs from 11:53 on Mon 20 Jun to 12:52 on Tue 21 Jun and covers all of madhyāhna that midday. It also reaches the previous midday for 26 minutes; by the rule the second midday is taken.

ahargana.org/riyadh/festivals/2050/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 21 Jun
Ahargaṇa, classicalDisc centre, no refractionTue 21 Jun
compat-drikpanchangComparison profileTue 21 Jun
No institution has a recorded ruling for Riyadh.

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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles01:53 → 02:5212:3148 min12:310 min20 Jun
Chicago03:53 → 04:5212:2848 min12:290 min20 Jun
Jersey City04:53 → 05:5212:3448 min12:340 min20 Jun
Port of Spain04:53 → 05:5211:4448 min11:440 min20 Jun
London09:53 → 10:5212:3848 min12:380 min20 Jun
Durban10:53 → 11:5211:3448 min11:3418 min21 Jun
Dubai12:53 → 13:5211:560 min11:5748 min21 Jun
Delhi14:23 → 15:2211:590 min11:5948 min21 Jun
Kolkata14:23 → 15:2211:140 min11:1448 min21 Jun
Singapore16:53 → 17:5212:420 min12:4348 min21 Jun
Sydney18:53 → 19:5211:330 min11:3348 min21 Jun
Suva20:53 → 21:5211:440 min11:4448 min21 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

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