Ruling · Rathayātrā · 1964

Saturday 11 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 58 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 Friday 10 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

Midday of Saturday 11 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

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 16:09 on Fri 10 Jul to 13:07 on Sat 11 Jul.

    1964-07-10T08:09:04Z → 1964-07-11T05:06:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 10th, 11:21–12:09 on the 11th.

    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 10th and 48 of 48 on the 11th.

    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 3469 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 1964: Saturday 11 July.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 1964 falls on Saturday 11 July. Dvitīyā runs from 16:09 on Fri 10 Jul to 13:07 on Sat 11 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1964/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 11 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 11 Jul
compat-drikpanchangComparison profileSat 11 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles01:09 → 22:0712:3448 min12:340 min10 Jul
Chicago03:09 → 00:0712:3248 min12:320 min10 Jul
Jersey City04:09 → 01:0712:3748 min12:380 min10 Jul
Port of Spain04:09 → 01:0711:4748 min11:470 min10 Jul
London09:09 → 06:0712:4148 min12:420 min10 Jul
Durban10:09 → 07:0711:3748 min11:370 min10 Jul
Dubai12:09 → 09:0712:0039 min12:000 min10 Jul
Delhi13:39 → 10:3712:020 min12:020 min11 Jul
Kolkata13:39 → 10:3711:180 min11:180 min11 Jul
Singapore15:39 → 12:3712:160 min12:1621 min11 Jul
Sydney18:09 → 15:0711:360 min11:3748 min11 Jul
Suva20:09 → 17:0711:480 min11:4848 min11 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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