Ruling · Rathayātrā · 2038

Sunday 4 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 533 minutes.

Decide it for

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 Saturday 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

Midday of Sunday 4 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

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 21:31 on Sat 3 Jul to 21:01 on Sun 4 Jul.

    2038-07-03T13:30:46Z → 2038-07-04T13:00:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:20–12:08 on the 3rd, 11:20–12:08 on the 4th.

    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 3rd and 48 of 48 on the 4th.

    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 31952 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 2038: Sunday 4 July.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 2038 falls on Sunday 4 July. Dvitīyā runs from 21:31 on Sat 3 Jul to 21:01 on Sun 4 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2038/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 4 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 4 Jul
compat-drikpanchangComparison profileSun 4 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles06:31 → 06:0112:3348 min12:330 min3 Jul
Chicago08:31 → 08:0112:3148 min12:310 min3 Jul
Jersey City09:31 → 09:0112:3748 min12:370 min3 Jul
Port of Spain09:31 → 09:0111:4648 min11:470 min3 Jul
London14:31 → 14:0112:410 min12:4148 min4 Jul
Durban15:31 → 15:0111:360 min11:3648 min4 Jul
Dubai17:31 → 17:0111:590 min11:5948 min4 Jul
Delhi19:01 → 18:3112:010 min12:0148 min4 Jul
Kolkata19:01 → 18:3111:170 min11:1748 min4 Jul
Singapore21:31 → 21:0112:450 min12:4548 min4 Jul
Sydney23:31 → 23:0111:350 min11:3648 min4 Jul
Suva01:31 → 01:0111:470 min11:4748 min4 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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