Ruling · Rathayātrā · 1986

Wednesday 9 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 150 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 Tuesday 8 July

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:21  13:09 madhyāhna ends
11:3311:5712:2112:4513:0913:3313:57

0 of 48 minutes covered

Midday of Wednesday 9 July

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 12:21  13:09 madhyāhna ends
11:3311:5712:2112:4513:0913:3313:57

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 15:39 on Tue 8 Jul to 17:02 on Wed 9 Jul.

    1986-07-08T06:38:57Z → 1986-07-09T08:02:22Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 8th, 12:21–13:09 on the 9th.

    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 8th and 48 of 48 on the 9th.

    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 9013 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 1986: Wednesday 9 July.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 1986 falls on Wednesday 9 July. Dvitīyā runs from 15:39 on Tue 8 Jul to 17:02 on Wed 9 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1986/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 9 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 9 Jul
compat-drikpanchangComparison profileWed 9 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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles23:39 → 01:0212:3448 min12:340 min8 Jul
Chicago01:39 → 03:0212:3148 min12:320 min8 Jul
Jersey City02:39 → 04:0212:3748 min12:370 min8 Jul
Port of Spain02:39 → 04:0211:4748 min11:470 min8 Jul
London07:39 → 09:0212:4148 min12:410 min8 Jul
Durban08:39 → 10:0211:3748 min11:370 min8 Jul
Dubai10:39 → 12:0212:0048 min12:003 min9 Jul
Delhi12:09 → 13:3212:0241 min12:0248 min9 Jul
Kolkata12:09 → 13:3211:170 min11:1848 min9 Jul
Singapore14:39 → 16:0212:460 min12:4648 min9 Jul
Sydney16:39 → 18:0211:360 min11:3648 min9 Jul
Suva18:39 → 20:0211:470 min11:4748 min9 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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