Ruling · Rathayātrā · 2091

Wednesday 18 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 473 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 Tuesday 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

Midday of Wednesday 18 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 21:22 on Tue 17 Jul to 20:03 on Wed 18 Jul.

    2091-07-17T13:21:31Z → 2091-07-18T12:03:01Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 17th, 11:22–12:10 on the 18th.

    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 17th and 48 of 48 on the 18th.

    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 28356 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 2091: Wednesday 18 July.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 2091 falls on Wednesday 18 July. Dvitīyā runs from 21:22 on Tue 17 Jul to 20:03 on Wed 18 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2091/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 18 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 18 Jul
compat-drikpanchangComparison profileWed 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles06:22 → 05:0312:3648 min12:360 min17 Jul
Chicago08:22 → 07:0312:3348 min12:330 min17 Jul
Jersey City09:22 → 08:0312:3948 min12:390 min17 Jul
Port of Spain09:22 → 08:0311:4948 min11:490 min17 Jul
London14:22 → 13:0312:430 min12:4320 min18 Jul
Durban15:22 → 14:0311:390 min11:3948 min18 Jul
Dubai17:22 → 16:0312:010 min12:0148 min18 Jul
Delhi18:52 → 17:3312:040 min12:0448 min18 Jul
Kolkata18:52 → 17:3311:190 min11:1948 min18 Jul
Singapore21:22 → 20:0312:470 min12:4748 min18 Jul
Sydney23:22 → 22:0311:380 min11:3848 min18 Jul
Suva01:22 → 00:0311:490 min11:4948 min18 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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