Ruling · Rathayātrā · 2012

Thursday 21 June

Determinatein Lima, under the Rashtriya Panchang method. Clear of every threshold by 9 min 20 s.

Decide it for

LimaDelhiKolkataSingaporeSydneyJersey City

12°03′ S 77°02′ W · America/Lima · GeoNames 3936456

The two middays

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

Midday of Wednesday 20 June

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:46  12:34 madhyāhna ends
Dvitīyā begins 11:36:29
10:5811:2211:4612:1012:3412:5813:22

48 of 48 minutes covered

Midday of Thursday 21 June

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

madhyāhna begins 11:46  12:34 madhyāhna ends
Dvitīyā ends 12:44:16
10:5811:2211:4612:1012:3412:5813:22

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 11:36 on Wed 20 Jun to 12:44 on Thu 21 Jun.

    2012-06-20T16:36:30Z → 2012-06-21T17:44:17Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 20th, 11:46–12:34 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 48 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 560 s

  5. 05

    Ruling

    Rathayātrā, Lima, 2012: Thursday 21 June.

    confidence: determinate

Say it like this

In Lima, Rathayātrā 2012 falls on Thursday 21 June. Dvitīyā runs from 11:36 on Wed 20 Jun to 12:44 on Thu 21 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/lima/festivals/2012/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 21 Jun
Ahargaṇa, classicalDisc centre, no refractionThu 21 Jun
compat-drikpanchangComparison profileThu 21 Jun
No institution has a recorded ruling for Lima.

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 Angeles09:36 → 10:4412:3148 min12:310 min20 Jun
Chicago11:36 → 12:4412:2848 min12:2916 min21 Jun
Jersey City12:36 → 13:4412:3446 min12:3448 min21 Jun
Port of Spain12:36 → 13:4411:440 min11:4448 min21 Jun
London17:36 → 18:4412:380 min12:3848 min21 Jun
Durban18:36 → 19:4411:340 min11:3448 min21 Jun
Dubai20:36 → 21:4411:560 min11:5748 min21 Jun
Delhi22:06 → 23:1411:590 min11:5948 min21 Jun
Kolkata22:06 → 23:1411:140 min11:1448 min21 Jun
Singapore00:36 → 01:4412:420 min12:4248 min21 Jun
Sydney02:36 → 03:4411:330 min11:3348 min21 Jun
Suva04:36 → 05:4411:440 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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