Ruling · Rathayātrā · 2026

Thursday 16 July

Boundaryin Daqing, under the Rashtriya Panchang method. A threshold is only 1 min 41 s away. Say “contested”.

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 15 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 16 July

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:22  12:10 madhyāhna ends
Dvitīyā ends 11:23:28
10:3410:5811:2211:4612:1012:3412:58

2 of 48 minutes covered, the first 2

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 14:22 on Wed 15 Jul to 11:23 on Thu 16 Jul.

    2026-07-15T06:21:31Z → 2026-07-16T03:23:28Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 15th, 11:22–12:10 on the 16th.

    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 15th and 2 of 48 on the 16th.

    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 101 s < 300 s

  5. 05

    Ruling

    Rathayātrā, Daqing, 2026: Thursday 16 July.

    confidence: boundary (margin)

Say it like this

In Daqing, Rathayātrā 2026 falls on Thursday 16 July. Dvitīyā runs from 14:22 on Wed 15 Jul to 11:23 on Thu 16 Jul and covers 2 of 48 minutes of madhyāhna that midday. It is 1 min 41 s from a threshold: treat the date as contested.

ahargana.org/daqing/festivals/2026/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 16 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 16 Jul
compat-drikpanchangComparison profileThu 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 Angeles23:22 → 20:2312:3548 min12:350 min15 Jul
Chicago01:22 → 22:2312:3248 min12:330 min15 Jul
Jersey City02:22 → 23:2312:3848 min12:380 min15 Jul
Port of Spain02:22 → 23:2311:4848 min11:480 min15 Jul
London07:22 → 04:2312:4248 min12:420 min15 Jul
Durban08:22 → 05:2311:3848 min11:380 min15 Jul
Dubai10:22 → 07:2312:0148 min12:010 min15 Jul
Delhi11:52 → 08:5312:0348 min12:030 min15 Jul
Kolkata11:52 → 08:5311:1815 min11:190 min15 Jul
Singapore14:22 → 11:2312:470 min12:470 min16 Jul
Sydney16:22 → 13:2311:370 min11:3748 min16 Jul
Suva18:22 → 15:2311:480 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