Ruling · Rathayātrā · 1928

Tuesday 19 June

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 587 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 19 June

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:17  12:05 madhyāhna ends
10:2910:5311:1711:4112:0512:2912:53

48 of 48 minutes covered

Midday of Wednesday 20 June

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:17  12:05 madhyāhna ends
10:2910:5311:1711:4112:0512:2912:53

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 01:30 on Tue 19 Jun to 22:41 on Tue 19 Jun.

    1928-06-18T17:30:23Z → 1928-06-19T14:40:32Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 19th, 11:17–12:05 on the 20th.

    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 19th and 0 of 48 on the 20th.

    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 35201 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 1928: Tuesday 19 June.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 1928 falls on Tuesday 19 June. Dvitīyā runs from 01:30 on Tue 19 Jun to 22:41 on Tue 19 Jun and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1928/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 19 Jun
Ahargaṇa, classicalDisc centre, no refractionTue 19 Jun
compat-drikpanchangComparison profileTue 19 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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles09:30 → 06:4111:3048 min11:300 min18 Jun
Chicago12:30 → 09:4112:2845 min12:280 min18 Jun
Jersey City13:30 → 10:4112:330 min12:330 min19 Jun
Port of Spain13:30 → 10:4111:430 min11:430 min19 Jun
London18:30 → 15:4112:370 min12:3848 min19 Jun
Durban19:30 → 16:4111:330 min11:3348 min19 Jun
Dubai21:30 → 18:4111:560 min11:5648 min19 Jun
Delhi23:00 → 20:1111:580 min11:5848 min19 Jun
Kolkata23:00 → 20:1111:130 min11:1448 min19 Jun
Singapore00:30 → 21:4111:410 min11:4248 min19 Jun
Sydney03:30 → 00:4111:320 min11:3248 min19 Jun
Suva05:30 → 02:4111:430 min11:4348 min19 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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