Ruling · Rathayātrā · 2086

Friday 12 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 266 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 12 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 Saturday 13 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 06:15 on Fri 12 Jul to 06:56 on Sat 13 Jul.

    2086-07-11T22:14:40Z → 2086-07-12T22:55:48Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 12th, 11:22–12:10 on the 13th.

    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 12th and 0 of 48 on the 13th.

    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 15970 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 2086: Friday 12 July.

    confidence: determinate

Say it like this

In Daqing, Rathayātrā 2086 falls on Friday 12 July. Dvitīyā runs from 06:15 on Fri 12 Jul to 06:56 on Sat 13 Jul and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2086/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 12 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 12 Jul
compat-drikpanchangComparison profileFri 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles15:15 → 15:5612:350 min12:3548 min12 Jul
Chicago17:15 → 17:5612:320 min12:3348 min12 Jul
Jersey City18:15 → 18:5612:380 min12:3848 min12 Jul
Port of Spain18:15 → 18:5611:480 min11:4848 min12 Jul
London23:15 → 23:5612:420 min12:4248 min12 Jul
Durban00:15 → 00:5611:380 min11:3848 min12 Jul
Dubai02:15 → 02:5612:010 min12:0148 min12 Jul
Delhi03:45 → 04:2612:030 min12:0348 min12 Jul
Kolkata03:45 → 04:2611:180 min11:1948 min12 Jul
Singapore06:15 → 06:5612:470 min12:4748 min12 Jul
Sydney08:15 → 08:5611:370 min11:3748 min12 Jul
Suva10:15 → 10:5611:480 min11:4848 min12 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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