Ruling · Rathayātrā · 2030

Tuesday 2 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 167 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

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

Midday of Tuesday 2 July

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:20  12:08 madhyāhna ends
10:3210:5611:2011:4412:0812:3212:56

48 of 48 minutes covered

Midday of Wednesday 3 July

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:20  12:08 madhyāhna ends
10:3210:5611:2011:4412:0812:3212:56

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 07:17 on Tue 2 Jul to 08:33 on Wed 3 Jul.

    2030-07-01T23:16:35Z → 2030-07-03T00:33:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:20–12:08 on the 2nd, 11:20–12:08 on the 3rd.

    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 2nd and 0 of 48 on the 3rd.

    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 10023 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 2030: Tuesday 2 July.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 2030 falls on Tuesday 2 July. Dvitīyā runs from 07:17 on Tue 2 Jul to 08:33 on Wed 3 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2030/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 2 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 2 Jul
compat-drikpanchangComparison profileTue 2 Jul
No institution has a recorded ruling for Daqing.

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 3rdCoveredRuled
Los Angeles16:17 → 17:3312:330 min12:330 min2 Jul
Chicago18:17 → 19:3312:300 min12:310 min2 Jul
Jersey City19:17 → 20:3312:360 min12:370 min2 Jul
Port of Spain19:17 → 20:3311:460 min11:460 min2 Jul
London00:17 → 01:3312:400 min12:410 min2 Jul
Durban01:17 → 02:3311:360 min11:360 min2 Jul
Dubai03:17 → 04:3311:590 min11:590 min2 Jul
Delhi04:47 → 06:0312:010 min12:010 min2 Jul
Kolkata04:47 → 06:0311:160 min11:170 min2 Jul
Singapore07:17 → 08:3312:440 min12:450 min2 Jul
Sydney09:17 → 10:3311:350 min11:350 min2 Jul
Suva11:17 → 12:3311:460 min11:4746 min3 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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