Ruling · Rathayātrā · 1908

Tuesday 30 June

Determinatein Phoenix, under the Rashtriya Panchang method. Clear of every threshold by 31 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 Monday 29 June

Qualifies with 48 of 48 minutes. Not taken.

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

48 of 48 minutes covered

Midday of Tuesday 30 June

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

madhyāhna begins 12:08  12:56 madhyāhna ends
Dvitīyā ends 13:27:01
11:2011:4412:0812:3212:5613:2013:44

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 11:19 on Mon 29 Jun to 13:27 on Tue 30 Jun.

    1908-06-29T18:19:10Z → 1908-06-30T20:27:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 29th, 12:08–12:56 on the 30th.

    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 29th and 48 of 48 on the 30th.

    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 1883 s

  5. 05

    Ruling

    Rathayātrā, Phoenix, 1908: Tuesday 30 June.

    confidence: determinate

Say it like this

In Phoenix, Rathayātrā 1908 falls on Tuesday 30 June. Dvitīyā runs from 11:19 on Mon 29 Jun to 13:27 on Tue 30 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/phoenix/festivals/1908/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 30 Jun
Ahargaṇa, classicalDisc centre, no refractionTue 30 Jun
compat-drikpanchangComparison profileTue 30 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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles10:19 → 12:2711:3248 min11:3248 min30 Jun
Chicago12:19 → 14:2711:300 min11:3048 min30 Jun
Jersey City13:19 → 15:2711:350 min11:3648 min30 Jun
Port of Spain14:19 → 16:2711:450 min11:4548 min30 Jun
London18:19 → 20:2711:400 min11:4048 min30 Jun
Durban20:19 → 22:2711:350 min11:3548 min30 Jun
Dubai22:00 → 00:0811:390 min11:3948 min30 Jun
Delhi23:49 → 01:5712:000 min12:0048 min30 Jun
Kolkata23:49 → 01:5711:160 min11:1648 min30 Jun
Singapore01:19 → 03:2711:440 min11:4448 min30 Jun
Sydney04:19 → 06:2711:340 min11:3448 min30 Jun
Suva06:14 → 08:2211:400 min11:4148 min30 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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