Ruling · Rathayātrā · 2090

Thursday 29 June

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 491 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 Wednesday 28 June

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

Midday of Thursday 29 June

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

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 22:54 on Wed 28 Jun to 20:19 on Thu 29 Jun.

    2090-06-28T14:53:32Z → 2090-06-29T12:18:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:20–12:08 on the 28th, 11:20–12:08 on the 29th.

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

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.

    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 29447 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 2090: Thursday 29 June.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 2090 falls on Thursday 29 June. Dvitīyā runs from 22:54 on Wed 28 Jun to 20:19 on Thu 29 Jun and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2090/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 29 Jun
Ahargaṇa, classicalDisc centre, no refractionThu 29 Jun
compat-drikpanchangComparison profileThu 29 Jun
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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles07:54 → 05:1912:3348 min12:330 min28 Jun
Chicago09:54 → 07:1912:3048 min12:310 min28 Jun
Jersey City10:54 → 08:1912:3648 min12:360 min28 Jun
Port of Spain10:54 → 08:1911:4648 min11:460 min28 Jun
London15:54 → 13:1912:400 min12:4038 min29 Jun
Durban16:54 → 14:1911:360 min11:3648 min29 Jun
Dubai18:54 → 16:1911:590 min11:5948 min29 Jun
Delhi20:24 → 17:4912:010 min12:0148 min29 Jun
Kolkata20:24 → 17:4911:160 min11:1748 min29 Jun
Singapore22:54 → 20:1912:440 min12:4548 min29 Jun
Sydney00:54 → 22:1911:350 min11:3548 min29 Jun
Suva02:54 → 00:1911:460 min11:4648 min29 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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