Ruling · Rathayātrā · 1972

Wednesday 12 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 582 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 Wednesday 12 July

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:21  12:09 madhyāhna ends
10:3310:5711:2111:4512:0912:3312:57

48 of 48 minutes covered

Midday of Thursday 13 July

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:21  12:09 madhyāhna ends
10:3310:5711:2111:4512:0912:3312:57

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 01:39 on Wed 12 Jul to 00:11 on Thu 13 Jul.

    1972-07-11T17:39:10Z → 1972-07-12T16:11:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 12th, 11:21–12:09 on the 13th.

    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 12th and 0 of 48 on the 13th.

    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 34926 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 1972: Wednesday 12 July.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 1972 falls on Wednesday 12 July. Dvitīyā runs from 01:39 on Wed 12 Jul to 00:11 on Thu 13 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1972/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 12 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 12 Jul
compat-drikpanchangComparison profileWed 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles10:39 → 09:1112:3448 min12:340 min11 Jul
Chicago12:39 → 11:1112:3241 min12:320 min11 Jul
Jersey City13:39 → 12:1112:380 min12:380 min12 Jul
Port of Spain13:39 → 12:1111:480 min11:4824 min12 Jul
London18:39 → 17:1112:420 min12:4248 min12 Jul
Durban19:39 → 18:1111:370 min11:3848 min12 Jul
Dubai21:39 → 20:1112:000 min12:0048 min12 Jul
Delhi23:09 → 21:4112:020 min12:0348 min12 Jul
Kolkata23:09 → 21:4111:180 min11:1848 min12 Jul
Singapore01:09 → 23:4112:160 min12:1648 min12 Jul
Sydney03:39 → 02:1111:370 min11:3748 min12 Jul
Suva05:39 → 04:1111:480 min11:4848 min12 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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