Ruling · Rathayātrā · 2053

Thursday 17 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 363 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

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

Midday of Thursday 17 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

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 21:41 on Wed 16 Jul to 18:13 on Thu 17 Jul.

    2053-07-16T13:40:57Z → 2053-07-17T10:13:00Z

  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 0 of 48 minutes on the 16th and 48 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 21778 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 2053: Thursday 17 July.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 2053 falls on Thursday 17 July. Dvitīyā runs from 21:41 on Wed 16 Jul to 18:13 on Thu 17 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2053/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 17 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 17 Jul
compat-drikpanchangComparison profileThu 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles06:41 → 03:1312:3548 min12:350 min16 Jul
Chicago08:41 → 05:1312:3348 min12:330 min16 Jul
Jersey City09:41 → 06:1312:3848 min12:380 min16 Jul
Port of Spain09:41 → 06:1311:4848 min11:480 min16 Jul
London14:41 → 11:1312:420 min12:420 min17 Jul
Durban15:41 → 12:1311:380 min11:3835 min17 Jul
Dubai17:41 → 14:1312:010 min12:0148 min17 Jul
Delhi19:11 → 15:4312:030 min12:0348 min17 Jul
Kolkata19:11 → 15:4311:190 min11:1948 min17 Jul
Singapore21:41 → 18:1312:470 min12:4748 min17 Jul
Sydney23:41 → 20:1311:380 min11:3848 min17 Jul
Suva01:41 → 22:1311:490 min11:4948 min17 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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