Ruling · Rathayātrā · 2015

Saturday 18 July

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 20 minutes.

Decide it for

DaeguDelhiKolkataSingaporeSydneyJersey City

35°52′ N 128°36′ E · Asia/Seoul · GeoNames 1835329

The two middays

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

Midday of Friday 17 July

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 12:08  12:56 madhyāhna ends
11:2011:4412:0812:3212:5613:2013:44

48 of 48 minutes covered

Midday of Saturday 18 July

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 12:08  12:56 madhyāhna ends
Dvitīyā ends 12:27:56
11:2011:4412:0812:3212:5613:2013:44

20 of 48 minutes covered, the first 20

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 11:10 on Fri 17 Jul to 12:28 on Sat 18 Jul.

    2015-07-17T02:10:15Z → 2015-07-18T03:27:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 17th, 12:08–12:56 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 48 of 48 minutes on the 17th and 20 of 48 on the 18th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 1221 s

  5. 05

    Ruling

    Rathayātrā, Daegu, 2015: Saturday 18 July.

    confidence: determinate

Say it like this

In Daegu, Rathayātrā 2015 falls on Saturday 18 July. Dvitīyā runs from 11:10 on Fri 17 Jul to 12:28 on Sat 18 Jul and covers 20 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.

ahargana.org/daegu/festivals/2015/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 18 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 18 Jul
compat-drikpanchangComparison profileSat 18 Jul
No institution has a recorded ruling for Daegu.

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 Angeles19:10 → 20:2812:3548 min12:350 min17 Jul
Chicago21:10 → 22:2812:3348 min12:330 min17 Jul
Jersey City22:10 → 23:2812:3848 min12:380 min17 Jul
Port of Spain22:10 → 23:2811:4848 min11:480 min17 Jul
London03:10 → 04:2812:4248 min12:420 min17 Jul
Durban04:10 → 05:2811:3848 min11:380 min17 Jul
Dubai06:10 → 07:2812:0148 min12:010 min17 Jul
Delhi07:40 → 08:5812:0348 min12:030 min17 Jul
Kolkata07:40 → 08:5811:1948 min11:190 min17 Jul
Singapore10:10 → 11:2812:4748 min12:470 min17 Jul
Sydney12:10 → 13:2811:3715 min11:3748 min18 Jul
Suva14:10 → 15:2811:480 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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