Ruling · Rathayātrā · 1997

Sunday 6 July

Determinatein Phoenix, under the Rashtriya Panchang method. Clear of every threshold by 22 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 Saturday 5 July

Qualifies with 22 of 48 minutes. Not taken.

madhyāhna begins 12:09  12:57 madhyāhna ends
Dvitīyā begins 12:35:03
11:2111:4512:0912:3312:5713:2113:45

22 of 48 minutes covered, the last 22

Midday of Sunday 6 July

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

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

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 Sat 5 Jul to 14:01 on Sun 6 Jul.

    1997-07-05T19:35:04Z → 1997-07-06T21:01:06Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 5th, 12:09–12:57 on the 6th.

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

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 22 of 48 minutes on the 5th and 48 of 48 on the 6th.

    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 1305 s

  5. 05

    Ruling

    Rathayātrā, Phoenix, 1997: Sunday 6 July.

    confidence: determinate

Say it like this

In Phoenix, Rathayātrā 1997 falls on Sunday 6 July. Dvitīyā runs from 12:35 on Sat 5 Jul to 14:01 on Sun 6 Jul and covers all of madhyāhna that midday. It also reaches the previous midday for 22 minutes; by the rule the second midday is taken.

ahargana.org/phoenix/festivals/1997/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 6 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 6 Jul
compat-drikpanchangComparison profileSun 6 Jul
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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles12:35 → 14:0112:3346 min12:3448 min6 Jul
Chicago14:35 → 16:0112:310 min12:3148 min6 Jul
Jersey City15:35 → 17:0112:370 min12:3748 min6 Jul
Port of Spain15:35 → 17:0111:470 min11:4748 min6 Jul
London20:35 → 22:0112:410 min12:4148 min6 Jul
Durban21:35 → 23:0111:360 min11:3748 min6 Jul
Dubai23:35 → 01:0111:590 min11:5948 min6 Jul
Delhi01:05 → 02:3112:020 min12:0248 min6 Jul
Kolkata01:05 → 02:3111:170 min11:1748 min6 Jul
Singapore03:35 → 05:0112:450 min12:4548 min6 Jul
Sydney05:35 → 07:0111:360 min11:3648 min6 Jul
Suva07:35 → 09:0111:470 min11:4748 min6 Jul
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