Ruling · Rathayātrā · 2064

Wednesday 16 July

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 3 min 40 s away. Say “contested”.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Tuesday 15 July

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

0 of 48 minutes covered

Midday of Wednesday 16 July

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
Dvitīyā ends 12:51:57
11:1211:3612:0012:2412:4813:1213:36

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 14:59 on Tue 15 Jul to 12:52 on Wed 16 Jul.

    2064-07-15T06:58:58Z → 2064-07-16T04:51:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 15th, 12:00–12:48 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 48 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 220 s < 300 s

  5. 05

    Ruling

    Rathayātrā, Baoding, 2064: Wednesday 16 July.

    confidence: boundary (margin)

Say it like this

In Baoding, Rathayātrā 2064 falls on Wednesday 16 July. Dvitīyā runs from 14:59 on Tue 15 Jul to 12:52 on Wed 16 Jul and covers all of madhyāhna that midday. It is 3 min 40 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2064/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 16 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 16 Jul
compat-drikpanchangComparison profileWed 16 Jul
No institution has a recorded ruling for Baoding.

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 Angeles23:59 → 21:5212:3548 min12:350 min15 Jul
Chicago01:59 → 23:5212:3348 min12:330 min15 Jul
Jersey City02:59 → 00:5212:3848 min12:380 min15 Jul
Port of Spain02:59 → 00:5211:4848 min11:480 min15 Jul
London07:59 → 05:5212:4248 min12:420 min15 Jul
Durban08:59 → 06:5211:3848 min11:380 min15 Jul
Dubai10:59 → 08:5212:0148 min12:010 min15 Jul
Delhi12:29 → 10:2212:0322 min12:030 min15 Jul
Kolkata12:29 → 10:2211:190 min11:190 min16 Jul
Singapore14:59 → 12:5212:470 min12:475 min16 Jul
Sydney16:59 → 14:5211:380 min11:3848 min16 Jul
Suva18:59 → 16:5211:490 min11:4948 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

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