Ruling · Rathayātrā · 1947

Friday 20 June

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 574 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 20 June

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 12:17  13:05 madhyāhna ends
11:2911:5312:1712:4113:0513:2913:53

48 of 48 minutes covered

Midday of Saturday 21 June

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:17  13:05 madhyāhna ends
11:2911:5312:1712:4113:0513:2913:53

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 02:43 on Fri 20 Jun to 23:00 on Fri 20 Jun.

    1947-06-19T17:42:51Z → 1947-06-20T13:59:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 20th, 12:17–13:05 on the 21st.

    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 20th and 0 of 48 on the 21st.

    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 34461 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 1947: Friday 20 June.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 1947 falls on Friday 20 June. Dvitīyā runs from 02:43 on Fri 20 Jun to 23:00 on Fri 20 Jun and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1947/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 20 Jun
Ahargaṇa, classicalDisc centre, no refractionFri 20 Jun
compat-drikpanchangComparison profileFri 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles09:43 → 06:0011:3048 min11:300 min19 Jun
Chicago12:43 → 09:0012:2833 min12:280 min19 Jun
Jersey City13:43 → 10:0012:330 min12:340 min20 Jun
Port of Spain13:43 → 10:0011:430 min11:430 min20 Jun
London19:43 → 16:0013:380 min13:3848 min20 Jun
Durban19:43 → 16:0011:330 min11:3348 min20 Jun
Dubai21:43 → 18:0011:560 min11:5648 min20 Jun
Delhi23:13 → 19:3011:580 min11:5848 min20 Jun
Kolkata23:13 → 19:3011:140 min11:1448 min20 Jun
Singapore01:13 → 21:3012:120 min12:1248 min20 Jun
Sydney03:43 → 00:0011:320 min11:3248 min20 Jun
Suva05:43 → 02:0011:430 min11:4348 min20 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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