Ruling · Rathayātrā · 2006

Tuesday 27 June

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 434 minutes.

Decide it for

TehranDelhiKolkataSingaporeSydneyJersey City

35°42′ N 51°25′ E · Asia/Tehran · GeoNames 112931

The two middays

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

Midday of Monday 26 June

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

0 of 48 minutes covered

Midday of Tuesday 27 June

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

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 19:45 on Mon 26 Jun to 20:28 on Tue 27 Jun.

    2006-06-26T16:14:45Z → 2006-06-27T16:57:51Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 26th, 11:43–12:31 on the 27th.

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

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.

    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 26021 s

  5. 05

    Ruling

    Rathayātrā, Tehran, 2006: Tuesday 27 June.

    confidence: determinate

Say it like this

In Tehran, Rathayātrā 2006 falls on Tuesday 27 June. Dvitīyā runs from 19:45 on Mon 26 Jun to 20:28 on Tue 27 Jun and covers all of madhyāhna that midday.

ahargana.org/tehran/festivals/2006/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 27 Jun
Ahargaṇa, classicalDisc centre, no refractionTue 27 Jun
compat-drikpanchangComparison profileTue 27 Jun
No institution has a recorded ruling for Tehran.

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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles09:15 → 09:5812:3248 min12:320 min26 Jun
Chicago11:15 → 11:5812:2948 min12:300 min26 Jun
Jersey City12:15 → 12:5812:3548 min12:3523 min27 Jun
Port of Spain12:15 → 12:5811:4518 min11:4548 min27 Jun
London17:15 → 17:5812:390 min12:3948 min27 Jun
Durban18:15 → 18:5811:350 min11:3548 min27 Jun
Dubai20:15 → 20:5811:580 min11:5848 min27 Jun
Delhi21:45 → 22:2812:000 min12:0048 min27 Jun
Kolkata21:45 → 22:2811:150 min11:1648 min27 Jun
Singapore00:15 → 00:5812:430 min12:4448 min27 Jun
Sydney02:15 → 02:5811:340 min11:3448 min27 Jun
Suva04:15 → 04:5811:450 min11:4548 min27 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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