Ruling · Rathayātrā · 1989

Tuesday 4 July

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 3 min 23 s away. Say “contested”.

Decide it for

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 4 July

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 12:58  13:46 madhyāhna ends
Dvitīyā begins 13:01:44
12:1012:3412:5813:2213:4614:1014:34

45 of 48 minutes covered, the last 45

Midday of Wednesday 5 July

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 12:59  13:47 madhyāhna ends
Dvitīyā ends 12:41:24
12:1112:3512:5913:2313:4714:1114:35

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 13:02 on Tue 4 Jul to 12:41 on Wed 5 Jul.

    1989-07-04T04:01:44Z → 1989-07-05T03:41:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:58–13:46 on the 4th, 12:59–13:47 on the 5th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 45 of 48 minutes on the 4th and 0 of 48 on the 5th.

    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 203 s < 300 s

  5. 05

    Ruling

    Rathayātrā, Baoding, 1989: Tuesday 4 July.

    confidence: boundary (margin)

Say it like this

In Baoding, Rathayātrā 1989 falls on Tuesday 4 July. Dvitīyā runs from 13:02 on Tue 4 Jul to 12:41 on Wed 5 Jul and covers 45 of 48 minutes of madhyāhna that midday. It is 3 min 23 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1989/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 4 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 4 Jul
compat-drikpanchangComparison profileWed 5 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles21:02 → 20:4112:3348 min12:330 min4 Jul
Chicago23:02 → 22:4112:3148 min12:310 min4 Jul
Jersey City00:02 → 23:4112:3748 min12:370 min4 Jul
Port of Spain00:02 → 23:4111:4648 min11:470 min4 Jul
London05:02 → 04:4112:4148 min12:410 min4 Jul
Durban06:02 → 05:4111:3648 min11:360 min4 Jul
Dubai08:02 → 07:4111:5948 min11:590 min4 Jul
Delhi09:32 → 09:1112:0148 min12:020 min4 Jul
Kolkata09:32 → 09:1111:1748 min11:170 min4 Jul
Singapore12:02 → 11:4112:4548 min12:450 min4 Jul
Sydney14:02 → 13:4111:360 min11:3648 min5 Jul
Suva16:02 → 15:4111:470 min11:4748 min5 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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