Ruling · Rathayātrā · 1927

Friday 1 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 64 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 Thursday 30 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 Friday 1 July

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 13:35 on Thu 30 Jun to 13:11 on Fri 1 Jul.

    1927-06-30T05:35:10Z → 1927-07-01T05:11:19Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:19–12:07 on the 30th, 11:19–12:07 on the 1st.

    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 30th and 48 of 48 on the 1st.

    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 3841 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 1927: Friday 1 July.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 1927 falls on Friday 1 July. Dvitīyā runs from 13:35 on Thu 30 Jun to 13:11 on Fri 1 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1927/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 1 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 1 Jul
compat-drikpanchangComparison profileFri 1 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 30thCoveredMadhyāhna 1stCoveredRuled
Los Angeles21:35 → 21:1111:3248 min11:320 min30 Jun
Chicago00:35 → 00:1112:3048 min12:300 min30 Jun
Jersey City01:35 → 01:1112:3648 min12:360 min30 Jun
Port of Spain01:35 → 01:1111:4548 min11:460 min30 Jun
London06:35 → 06:1112:4048 min12:400 min30 Jun
Durban07:35 → 07:1111:3548 min11:350 min30 Jun
Dubai09:35 → 09:1111:5848 min11:580 min30 Jun
Delhi11:05 → 10:4112:0048 min12:000 min30 Jun
Kolkata11:05 → 10:4111:1648 min11:160 min30 Jun
Singapore12:35 → 12:1111:440 min11:4427 min1 Jul
Sydney15:35 → 15:1111:340 min11:3548 min1 Jul
Suva17:35 → 17:1111:460 min11:4648 min1 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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