Ruling · Rathayātrā · 2039

Thursday 23 June

Determinatein Phoenix, under the Rashtriya Panchang method. Clear of every threshold by 19 minutes.

Decide it for

33°27′ N 112°04′ W · America/Phoenix · GeoNames 5308655

The two middays

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

Midday of Wednesday 22 June

Qualifies with 19 of 48 minutes. Not taken.

madhyāhna begins 12:06  12:54 madhyāhna ends
Dvitīyā begins 12:35:04
11:1811:4212:0612:3012:5413:1813:42

19 of 48 minutes covered, the last 19

Midday of Thursday 23 June

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

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

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 12:35 on Wed 22 Jun to 14:29 on Thu 23 Jun.

    2039-06-22T19:35:05Z → 2039-06-23T21:29:18Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 22nd, 12:07–12:55 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 19 of 48 minutes on the 22nd and 48 of 48 on the 23rd.

    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 1160 s

  5. 05

    Ruling

    Rathayātrā, Phoenix, 2039: Thursday 23 June.

    confidence: determinate

Say it like this

In Phoenix, Rathayātrā 2039 falls on Thursday 23 June. Dvitīyā runs from 12:35 on Wed 22 Jun to 14:29 on Thu 23 Jun and covers all of madhyāhna that midday. It also reaches the previous midday for 19 minutes; by the rule the second midday is taken.

ahargana.org/phoenix/festivals/2039/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 23 Jun
Ahargaṇa, classicalDisc centre, no refractionThu 23 Jun
compat-drikpanchangComparison profileThu 23 Jun
No institution has a recorded ruling for Phoenix.

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 Angeles12:35 → 14:2912:3144 min12:3148 min23 Jun
Chicago14:35 → 16:2912:290 min12:2948 min23 Jun
Jersey City15:35 → 17:2912:340 min12:3548 min23 Jun
Port of Spain15:35 → 17:2911:440 min11:4448 min23 Jun
London20:35 → 22:2912:390 min12:3948 min23 Jun
Durban21:35 → 23:2911:340 min11:3448 min23 Jun
Dubai23:35 → 01:2911:570 min11:5748 min23 Jun
Delhi01:05 → 02:5911:590 min11:5948 min23 Jun
Kolkata01:05 → 02:5911:150 min11:1548 min23 Jun
Singapore03:35 → 05:2912:430 min12:4348 min23 Jun
Sydney05:35 → 07:2911:330 min11:3348 min23 Jun
Suva07:35 → 09:2911:440 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

About Ahargaṇa