Ruling · Rathayātrā · 1969

Wednesday 16 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 514 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 16 July

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:22  12:10 madhyāhna ends
10:3410:5811:2211:4612:1012:3412:58

48 of 48 minutes covered

Midday of Thursday 17 July

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:22  12:10 madhyāhna ends
10:3410:5811:2211:4612:1012:3412:58

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 00:34 on Wed 16 Jul to 02:48 on Thu 17 Jul.

    1969-07-15T16:33:30Z → 1969-07-16T18:48:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 16th, 11:22–12:10 on the 17th.

    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 16th and 0 of 48 on the 17th.

    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 30820 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 1969: Wednesday 16 July.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 1969 falls on Wednesday 16 July. Dvitīyā runs from 00:34 on Wed 16 Jul to 02:48 on Thu 17 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1969/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 16 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 16 Jul
compat-drikpanchangComparison profileWed 16 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles09:34 → 11:4812:3548 min12:350 min15 Jul
Chicago11:34 → 13:4812:3248 min12:3248 min16 Jul
Jersey City12:34 → 14:4812:3848 min12:3848 min16 Jul
Port of Spain12:34 → 14:4811:482 min11:4848 min16 Jul
London17:34 → 19:4812:420 min12:4248 min16 Jul
Durban18:34 → 20:4811:380 min11:3848 min16 Jul
Dubai20:34 → 22:4812:010 min12:0148 min16 Jul
Delhi22:04 → 00:1812:030 min12:0348 min16 Jul
Kolkata22:04 → 00:1811:180 min11:1848 min16 Jul
Singapore00:04 → 02:1812:160 min12:1748 min16 Jul
Sydney02:34 → 04:4811:370 min11:3748 min16 Jul
Suva04:34 → 06:4811:480 min11:4848 min16 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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