Ruling · Rathayātrā · 1948

Thursday 8 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 570 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 Thursday 8 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

Midday of Friday 9 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

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 02:50 on Thu 8 Jul to 23:23 on Thu 8 Jul.

    1948-07-07T17:50:19Z → 1948-07-08T14:23:01Z

  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 48 of 48 minutes on the 8th and 0 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 34221 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 1948: Thursday 8 July.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 1948 falls on Thursday 8 July. Dvitīyā runs from 02:50 on Thu 8 Jul to 23:23 on Thu 8 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1948/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 8 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 8 Jul
compat-drikpanchangComparison profileThu 8 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles10:50 → 07:2312:3448 min12:340 min7 Jul
Chicago12:50 → 09:2312:3129 min12:310 min7 Jul
Jersey City13:50 → 10:2312:370 min12:370 min8 Jul
Port of Spain13:50 → 10:2311:470 min11:470 min8 Jul
London18:50 → 15:2312:410 min12:4148 min8 Jul
Durban19:50 → 16:2311:370 min11:3748 min8 Jul
Dubai21:50 → 18:2311:590 min12:0048 min8 Jul
Delhi23:20 → 19:5312:020 min12:0248 min8 Jul
Kolkata23:20 → 19:5311:170 min11:1748 min8 Jul
Singapore01:20 → 21:5312:150 min12:1548 min8 Jul
Sydney03:50 → 00:2311:360 min11:3648 min8 Jul
Suva05:50 → 02:2311:470 min11:4748 min8 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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