Ruling · Rathayātrā · 2001

Friday 22 June

Determinatein Riyadh, under the Rashtriya Panchang method. Clear of every threshold by 9 min 35 s.

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 Friday 22 June

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:31  12:19 madhyāhna ends
Dvitīyā begins 12:09:28
10:4311:0711:3111:5512:1912:4313:07

10 of 48 minutes covered, the last 10

Midday of Saturday 23 June

Dvitīyā is absent from madhyāhna. Not taken.

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

0 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 12:09 on Fri 22 Jun to 09:09 on Sat 23 Jun.

    2001-06-22T09:09:29Z → 2001-06-23T06:08:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 22nd, 11:31–12:19 on the 23rd.

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

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 10 of 48 minutes on the 22nd and 0 of 48 on the 23rd.

    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: paraviddha → only-day · margin 575 s

  5. 05

    Ruling

    Rathayātrā, Riyadh, 2001: Friday 22 June.

    confidence: determinate

Say it like this

In Riyadh, Rathayātrā 2001 falls on Friday 22 June. Dvitīyā runs from 12:09 on Fri 22 Jun to 09:09 on Sat 23 Jun and covers 10 of 48 minutes of madhyāhna that midday.

ahargana.org/riyadh/festivals/2001/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 22 Jun
Ahargaṇa, classicalDisc centre, no refractionFri 22 Jun
compat-drikpanchangComparison profileFri 22 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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles02:09 → 23:0912:3148 min12:310 min22 Jun
Chicago04:09 → 01:0912:2948 min12:290 min22 Jun
Jersey City05:09 → 02:0912:3448 min12:350 min22 Jun
Port of Spain05:09 → 02:0911:4448 min11:440 min22 Jun
London10:09 → 07:0912:3848 min12:390 min22 Jun
Durban11:09 → 08:0911:3448 min11:340 min22 Jun
Dubai13:09 → 10:0911:570 min11:570 min23 Jun
Delhi14:39 → 11:3911:590 min11:590 min23 Jun
Kolkata14:39 → 11:3911:140 min11:1524 min23 Jun
Singapore17:09 → 14:0912:430 min12:4348 min23 Jun
Sydney19:09 → 16:0911:330 min11:3348 min23 Jun
Suva21:09 → 18:0911:440 min11:4448 min23 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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