Ruling · Rāma Navamī (Rāma Jayantī) · 2016

Friday 15 April

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 643 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 Friday 15 April

Taken. The only midday Navamī reaches.

madhyāhna begins 11:16  12:04 madhyāhna ends
10:2810:5211:1611:4012:0412:2812:52

48 of 48 minutes covered

Midday of Saturday 16 April

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:16  12:04 madhyāhna ends
10:2810:5211:1611:4012:0412:2812:52

0 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 23:59 on Thu 14 Apr to 00:33 on Sat 16 Apr.

    2016-04-14T15:59:17Z → 2016-04-15T16:33:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:16–12:04 on the 15th, 11:16–12:04 on the 16th.

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

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 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: unstated → only-day · margin 38574 s

  5. 05

    Ruling

    Rāma Navamī, Daqing, 2016: Friday 15 April.

    confidence: determinate

Say it like this

In Daqing, Rāma Navamī 2016 falls on Friday 15 April. Navamī runs from 23:59 on Thu 14 Apr to 00:33 on Sat 16 Apr and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2016/rama-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 15 Apr
Ahargaṇa, classicalDisc centre, no refractionFri 15 Apr
compat-drikpanchangComparison profileFri 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles08:59 → 09:3312:2948 min12:290 min14 Apr
Chicago10:59 → 11:3312:2748 min12:270 min14 Apr
Jersey City11:59 → 12:3312:3348 min12:331 min14 Apr
Port of Spain11:59 → 12:3311:4231 min11:4248 min15 Apr
London16:59 → 17:3312:370 min12:3748 min15 Apr
Durban17:59 → 18:3311:320 min11:3248 min15 Apr
Dubai19:59 → 20:3311:550 min11:5548 min15 Apr
Delhi21:29 → 22:0311:580 min11:5748 min15 Apr
Kolkata21:29 → 22:0311:130 min11:1348 min15 Apr
Singapore23:59 → 00:3312:410 min12:4148 min15 Apr
Sydney01:59 → 02:3311:310 min11:3148 min15 Apr
Suva03:59 → 04:3311:420 min11:4248 min15 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

About Ahargaṇa