Ruling · Rathayātrā · 1930

Saturday 28 June

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 164 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 Friday 27 June

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:19  12:07 madhyāhna ends
10:3110:5511:1911:4312:0712:3112:55

0 of 48 minutes covered

Midday of Saturday 28 June

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:19  12:07 madhyāhna ends
10:3110:5511:1911:4312:0712:3112:55

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 18:23 on Fri 27 Jun to 14:51 on Sat 28 Jun.

    1930-06-27T10:22:37Z → 1930-06-28T06:51:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:19–12:07 on the 27th, 11:19–12:07 on the 28th.

    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 27th and 48 of 48 on the 28th.

    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 9859 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 1930: Saturday 28 June.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 1930 falls on Saturday 28 June. Dvitīyā runs from 18:23 on Fri 27 Jun to 14:51 on Sat 28 Jun and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1930/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 28 Jun
Ahargaṇa, classicalDisc centre, no refractionSat 28 Jun
compat-drikpanchangComparison profileSat 28 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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles02:23 → 22:5111:3248 min11:320 min27 Jun
Chicago05:23 → 01:5112:2948 min12:300 min27 Jun
Jersey City06:23 → 02:5112:3548 min12:350 min27 Jun
Port of Spain06:23 → 02:5111:4548 min11:450 min27 Jun
London11:23 → 07:5112:3948 min12:390 min27 Jun
Durban12:23 → 08:5111:350 min11:350 min28 Jun
Dubai14:23 → 10:5111:570 min11:580 min28 Jun
Delhi15:53 → 12:2112:000 min12:0021 min28 Jun
Kolkata15:53 → 12:2111:150 min11:1548 min28 Jun
Singapore17:23 → 13:5111:430 min11:4348 min28 Jun
Sydney20:23 → 16:5111:340 min11:3448 min28 Jun
Suva22:23 → 18:5111:450 min11:4548 min28 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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