Ruling · Rathayātrā · 2049

Friday 2 July

Determinatein Cairo, under the Rashtriya Panchang method. Clear of every threshold by 9 min 07 s.

Decide it for

30°04′ N 31°15′ E · Africa/Cairo · GeoNames 360630

The two middays

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

Midday of Thursday 1 July

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 12:35  13:23 madhyāhna ends
11:4712:1112:3512:5913:2313:4714:11

48 of 48 minutes covered

Midday of Friday 2 July

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

madhyāhna begins 12:35  13:23 madhyāhna ends
Dvitīyā ends 12:44:19
11:4712:1112:3512:5913:2313:4714:11

9 of 48 minutes covered, the first 9

Dvitīyā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 10:16 on Thu 1 Jul to 12:44 on Fri 2 Jul.

    2049-07-01T07:15:42Z → 2049-07-02T09:44:19Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 1st, 12:35–13:23 on the 2nd.

    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 1st and 9 of 48 on the 2nd.

    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 547 s

  5. 05

    Ruling

    Rathayātrā, Cairo, 2049: Friday 2 July.

    confidence: determinate

Say it like this

In Cairo, Rathayātrā 2049 falls on Friday 2 July. Dvitīyā runs from 10:16 on Thu 1 Jul to 12:44 on Fri 2 Jul and covers 9 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.

ahargana.org/cairo/festivals/2049/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 2 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 2 Jul
compat-drikpanchangComparison profileFri 2 Jul
No institution has a recorded ruling for Cairo.

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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles00:16 → 02:4412:3348 min12:330 min1 Jul
Chicago02:16 → 04:4412:3148 min12:310 min1 Jul
Jersey City03:16 → 05:4412:3648 min12:370 min1 Jul
Port of Spain03:16 → 05:4411:4648 min11:460 min1 Jul
London08:16 → 10:4412:4048 min12:410 min1 Jul
Durban09:16 → 11:4411:3648 min11:368 min2 Jul
Dubai11:16 → 13:4411:5948 min11:5948 min2 Jul
Delhi12:46 → 15:1412:013 min12:0148 min2 Jul
Kolkata12:46 → 15:1411:170 min11:1748 min2 Jul
Singapore15:16 → 17:4412:450 min12:4548 min2 Jul
Sydney17:16 → 19:4411:350 min11:3548 min2 Jul
Suva19:16 → 21:4411:460 min11:4748 min2 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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