Ruling · Rathayātrā · 1989

Wednesday 5 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 6 min 24 s.

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 Tuesday 4 July

Qualifies with 6 of 48 minutes. Not taken.

madhyāhna begins 12:20  13:08 madhyāhna ends
Dvitīyā begins 13:01:44
11:3211:5612:2012:4413:0813:3213:56

6 of 48 minutes covered, the last 6

Midday of Wednesday 5 July

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 12:20  13:08 madhyāhna ends
Dvitīyā ends 12:41:24
11:3211:5612:2012:4413:0813:3213:56

21 of 48 minutes covered, the first 21

Dvitīyā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 13:02 on Tue 4 Jul to 12:41 on Wed 5 Jul.

    1989-07-04T04:01:44Z → 1989-07-05T03:41:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 4th, 12:20–13:08 on the 5th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 6 of 48 minutes on the 4th and 21 of 48 on the 5th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 384 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 1989: Wednesday 5 July.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 1989 falls on Wednesday 5 July. Dvitīyā runs from 13:02 on Tue 4 Jul to 12:41 on Wed 5 Jul and covers 21 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 6 minutes; by the rule the second midday is taken.

ahargana.org/daqing/festivals/1989/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 5 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 5 Jul
compat-drikpanchangComparison profileWed 5 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles21:02 → 20:4112:3348 min12:330 min4 Jul
Chicago23:02 → 22:4112:3148 min12:310 min4 Jul
Jersey City00:02 → 23:4112:3748 min12:370 min4 Jul
Port of Spain00:02 → 23:4111:4648 min11:470 min4 Jul
London05:02 → 04:4112:4148 min12:410 min4 Jul
Durban06:02 → 05:4111:3648 min11:360 min4 Jul
Dubai08:02 → 07:4111:5948 min11:590 min4 Jul
Delhi09:32 → 09:1112:0148 min12:020 min4 Jul
Kolkata09:32 → 09:1111:1748 min11:170 min4 Jul
Singapore12:02 → 11:4112:4548 min12:450 min4 Jul
Sydney14:02 → 13:4111:360 min11:3648 min5 Jul
Suva16:02 → 15:4111:470 min11:4748 min5 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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