Ruling · Rathayātrā · 1960

Sunday 26 June

Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 21 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 Saturday 25 June

Qualifies with 27 of 48 minutes. Not taken.

madhyāhna begins 11:31  12:19 madhyāhna ends
Dvitīyā begins 11:51:58
10:4311:0711:3111:5512:1912:4313:07

27 of 48 minutes covered, the last 27

Midday of Sunday 26 June

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

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

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 11:52 on Sat 25 Jun to 14:16 on Sun 26 Jun.

    1960-06-25T05:51:59Z → 1960-06-26T08:15:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 25th, 11:31–12:19 on the 26th.

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

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 27 of 48 minutes on the 25th and 48 of 48 on the 26th.

    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 1250 s

  5. 05

    Ruling

    Rathayātrā, Chattogram, 1960: Sunday 26 June.

    confidence: determinate

Say it like this

In Chattogram, Rathayātrā 1960 falls on Sunday 26 June. Dvitīyā runs from 11:52 on Sat 25 Jun to 14:16 on Sun 26 Jun and covers all of madhyāhna that midday. It also reaches the previous midday for 27 minutes; by the rule the second midday is taken.

ahargana.org/chattogram/festivals/1960/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 26 Jun
Ahargaṇa, classicalDisc centre, no refractionSun 26 Jun
compat-drikpanchangComparison profileSun 26 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles22:52 → 01:1612:3248 min12:320 min25 Jun
Chicago00:52 → 03:1612:2948 min12:290 min25 Jun
Jersey City01:52 → 04:1612:3548 min12:350 min25 Jun
Port of Spain01:52 → 04:1611:4548 min11:450 min25 Jun
London06:52 → 09:1612:3948 min12:390 min25 Jun
Durban07:52 → 10:1611:3448 min11:350 min25 Jun
Dubai09:52 → 12:1611:5748 min11:5718 min26 Jun
Delhi11:22 → 13:4612:0048 min12:0048 min26 Jun
Kolkata11:22 → 13:4611:1541 min11:1548 min26 Jun
Singapore13:22 → 15:4612:130 min12:1348 min26 Jun
Sydney15:52 → 18:1611:340 min11:3448 min26 Jun
Suva17:52 → 20:1611:450 min11:4548 min26 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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