Ruling · Rathayātrā · 2066

Thursday 24 June

Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 316 minutes.

Decide it for

22°20′ N 91°50′ E · Asia/Dhaka · GeoNames 1205733

The two middays

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

Midday of Thursday 24 June

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:31  12:19 madhyāhna ends
10:4311:0711:3111:5512:1912:4313:07

48 of 48 minutes covered

Midday of Friday 25 June

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:32  12:20 madhyāhna ends
10:4411:0811:3211:5612:2012:4413:08

0 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 03:50 on Thu 24 Jun to 06:15 on Fri 25 Jun.

    2066-06-23T21:49:47Z → 2066-06-25T00:15:11Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 24th, 11:32–12:20 on the 25th.

    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 24th and 0 of 48 on the 25th.

    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 18984 s

  5. 05

    Ruling

    Rathayātrā, Chattogram, 2066: Thursday 24 June.

    confidence: determinate

Say it like this

In Chattogram, Rathayātrā 2066 falls on Thursday 24 June. Dvitīyā runs from 03:50 on Thu 24 Jun to 06:15 on Fri 25 Jun and covers all of madhyāhna that midday.

ahargana.org/chattogram/festivals/2066/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 24 Jun
Ahargaṇa, classicalDisc centre, no refractionThu 24 Jun
compat-drikpanchangComparison profileThu 24 Jun
No institution has a recorded ruling for Chattogram.

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 23rdCoveredMadhyāhna 25thCoveredRuled
Los Angeles14:50 → 17:1512:320 min12:320 min24 Jun
Chicago16:50 → 19:1512:290 min12:300 min24 Jun
Jersey City17:50 → 20:1512:350 min12:350 min24 Jun
Port of Spain17:50 → 20:1511:450 min11:450 min24 Jun
London22:50 → 01:1512:390 min12:390 min24 Jun
Durban23:50 → 02:1511:340 min11:350 min24 Jun
Dubai01:50 → 04:1511:570 min11:580 min24 Jun
Delhi03:20 → 05:4512:000 min12:000 min24 Jun
Kolkata03:20 → 05:4511:150 min11:150 min24 Jun
Singapore05:50 → 08:1512:430 min12:440 min24 Jun
Sydney07:50 → 10:1511:340 min11:340 min24 Jun
Suva09:50 → 12:1511:450 min11:4530 min25 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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