Ruling · Rathayātrā · 2035

Friday 6 July

Boundaryin Chattogram, under the Rashtriya Panchang method. A threshold is only 4 min 57 s away. Say “contested”.

Decide it for

ChattogramDelhiKolkataSingaporeSydneyJersey City

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 Friday 6 July

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:33  12:21 madhyāhna ends
Dvitīyā begins 12:16:27
10:4511:0911:3311:5712:2112:4513:09

5 of 48 minutes covered, the last 5

Midday of Saturday 7 July

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:34  12:22 madhyāhna ends
10:4611:1011:3411:5812:2212:4613:10

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 12:16 on Fri 6 Jul to 08:53 on Sat 7 Jul.

    2035-07-06T06:16:27Z → 2035-07-07T02:52:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 6th, 11:34–12:22 on the 7th.

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

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 5 of 48 minutes on the 6th and 0 of 48 on the 7th.

    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 297 s < 300 s

  5. 05

    Ruling

    Rathayātrā, Chattogram, 2035: Friday 6 July.

    confidence: boundary (margin)

Say it like this

In Chattogram, Rathayātrā 2035 falls on Friday 6 July. Dvitīyā runs from 12:16 on Fri 6 Jul to 08:53 on Sat 7 Jul and covers 5 of 48 minutes of madhyāhna that midday. It is 4 min 57 s from a threshold: treat the date as contested.

ahargana.org/chattogram/festivals/2035/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 6 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 6 Jul
compat-drikpanchangComparison profileFri 6 Jul
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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles23:16 → 19:5312:3448 min12:340 min6 Jul
Chicago01:16 → 21:5312:3148 min12:310 min6 Jul
Jersey City02:16 → 22:5312:3748 min12:370 min6 Jul
Port of Spain02:16 → 22:5311:4748 min11:470 min6 Jul
London07:16 → 03:5312:4148 min12:410 min6 Jul
Durban08:16 → 04:5311:3748 min11:370 min6 Jul
Dubai10:16 → 06:5311:5948 min12:000 min6 Jul
Delhi11:46 → 08:2312:0248 min12:020 min6 Jul
Kolkata11:46 → 08:2311:1719 min11:170 min6 Jul
Singapore14:16 → 10:5312:450 min12:460 min7 Jul
Sydney16:16 → 12:5311:360 min11:3648 min7 Jul
Suva18:16 → 14:5311:470 min11:4748 min7 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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