Ruling · Rāma Navamī · 2008

Monday 14 April

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 64 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 Sunday 13 April

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:17  12:05 madhyāhna ends
10:2910:5311:1711:4112:0512:2912:53

0 of 48 minutes covered

Midday of Monday 14 April

Taken. The only midday Navamī reaches.

madhyāhna begins 11:17  12:05 madhyāhna ends
10:2910:5311:1711:4112:0512:2912:53

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 13:55 on Sun 13 Apr to 13:09 on Mon 14 Apr.

    2008-04-13T05:55:22Z → 2008-04-14T05:08:59Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 13th, 11:17–12:05 on the 14th.

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

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.

    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: unstated → only-day · margin 3854 s

  5. 05

    Ruling

    Rāma Navamī, Daqing, 2008: Monday 14 April.

    confidence: determinate

Say it like this

In Daqing, Rāma Navamī 2008 falls on Monday 14 April. Navamī runs from 13:55 on Sun 13 Apr to 13:09 on Mon 14 Apr and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2008/rama-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 14 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 14 Apr
compat-drikpanchangComparison profileMon 14 Apr
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/rama-navami · ruleset 2026.3-draft

Month
Caitra, amānta
Pakṣa · aṅga
Śukla · Navamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 102

“S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102. The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceNavamīMadhyāhna 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles22:55 → 22:0912:3048 min12:290 min13 Apr
Chicago00:55 → 00:0912:2748 min12:270 min13 Apr
Jersey City01:55 → 01:0912:3348 min12:330 min13 Apr
Port of Spain01:55 → 01:0911:4348 min11:420 min13 Apr
London06:55 → 06:0912:3848 min12:370 min13 Apr
Durban07:55 → 07:0911:3248 min11:320 min13 Apr
Dubai09:55 → 09:0911:5548 min11:550 min13 Apr
Delhi11:25 → 10:3911:5848 min11:580 min13 Apr
Kolkata11:25 → 10:3911:1336 min11:130 min13 Apr
Singapore13:55 → 13:0912:410 min12:4128 min14 Apr
Sydney15:55 → 15:0911:310 min11:3148 min14 Apr
Suva17:55 → 17:0911:430 min11:4348 min14 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rama-navami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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