Ruling · Rathayātrā · 2059

Friday 11 July

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 597 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 Thursday 10 July

Dvitīyā is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Friday 11 July

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:46  12:34 madhyāhna ends
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 22:31 on Thu 10 Jul to 23:58 on Fri 11 Jul.

    2059-07-10T19:00:48Z → 2059-07-11T20:28:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 10th, 11:46–12:34 on the 11th.

    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 10th and 48 of 48 on the 11th.

    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 35823 s

  5. 05

    Ruling

    Rathayātrā, Tehran, 2059: Friday 11 July.

    confidence: determinate

Say it like this

In Tehran, Rathayātrā 2059 falls on Friday 11 July. Dvitīyā runs from 22:31 on Thu 10 Jul to 23:58 on Fri 11 Jul and covers all of madhyāhna that midday.

ahargana.org/tehran/festivals/2059/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 11 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 11 Jul
compat-drikpanchangComparison profileFri 11 Jul
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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles12:01 → 13:2812:3448 min12:3548 min11 Jul
Chicago14:01 → 15:2812:320 min12:3248 min11 Jul
Jersey City15:01 → 16:2812:380 min12:3848 min11 Jul
Port of Spain15:01 → 16:2811:480 min11:4848 min11 Jul
London20:01 → 21:2812:420 min12:4248 min11 Jul
Durban21:01 → 22:2811:380 min11:3848 min11 Jul
Dubai23:01 → 00:2812:000 min12:0048 min11 Jul
Delhi00:31 → 01:5812:030 min12:0348 min11 Jul
Kolkata00:31 → 01:5811:180 min11:1848 min11 Jul
Singapore03:01 → 04:2812:460 min12:4648 min11 Jul
Sydney05:01 → 06:2811:370 min11:3748 min11 Jul
Suva07:01 → 08:2811:480 min11:4848 min11 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

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