Ruling · Rathayātrā · 2088

Sunday 20 June

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 563 minutes.

Decide it for

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 Saturday 19 June

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:42  12:30 madhyāhna ends
10:5411:1811:4212:0612:3012:5413:18

0 of 48 minutes covered

Midday of Sunday 20 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 01:34 on Sun 20 Jun to 21:53 on Sun 20 Jun.

    2088-06-19T22:03:48Z → 2088-06-20T18:23:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 19th, 11:43–12:31 on the 20th.

    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 19th and 48 of 48 on the 20th.

    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 33776 s

  5. 05

    Ruling

    Rathayātrā, Tehran, 2088: Sunday 20 June.

    confidence: determinate

Say it like this

In Tehran, Rathayātrā 2088 falls on Sunday 20 June. Dvitīyā runs from 01:34 on Sun 20 Jun to 21:53 on Sun 20 Jun and covers all of madhyāhna that midday.

ahargana.org/tehran/festivals/2088/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 20 Jun
Ahargaṇa, classicalDisc centre, no refractionSun 20 Jun
compat-drikpanchangComparison profileSun 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles15:04 → 11:2312:310 min12:310 min20 Jun
Chicago17:04 → 13:2312:290 min12:2948 min20 Jun
Jersey City18:04 → 14:2312:340 min12:3548 min20 Jun
Port of Spain18:04 → 14:2311:440 min11:4448 min20 Jun
London23:04 → 19:2312:390 min12:3948 min20 Jun
Durban00:04 → 20:2311:340 min11:3448 min20 Jun
Dubai02:04 → 22:2311:570 min11:5748 min20 Jun
Delhi03:34 → 23:5311:590 min11:5948 min20 Jun
Kolkata03:34 → 23:5311:150 min11:1548 min20 Jun
Singapore06:04 → 02:2312:430 min12:4348 min20 Jun
Sydney08:04 → 04:2311:330 min11:3348 min20 Jun
Suva10:04 → 06:2311:440 min11:4448 min20 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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