Ruling · Rāma Navamī (Rāma Jayantī) · 2015

Saturday 28 March

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 342 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 Saturday 28 March

Taken. The only midday Navamī reaches.

madhyāhna begins 11:22  12:10 madhyāhna ends
10:3410:5811:2211:4612:1012:3412:58

48 of 48 minutes covered

Midday of Sunday 29 March

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:21  12:09 madhyāhna ends
10:3310:5711:2111:4512:0912:3312:57

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 04:12 on Sat 28 Mar to 05:40 on Sun 29 Mar.

    2015-03-27T20:11:43Z → 2015-03-28T21:39:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 28th, 11:21–12:09 on the 29th.

    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 28th and 0 of 48 on the 29th.

    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 20503 s

  5. 05

    Ruling

    Rāma Navamī, Daqing, 2015: Saturday 28 March.

    confidence: determinate

Say it like this

In Daqing, Rāma Navamī 2015 falls on Saturday 28 March. Navamī runs from 04:12 on Sat 28 Mar to 05:40 on Sun 29 Mar and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2015/rama-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 28 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 28 Mar
compat-drikpanchangComparison profileSat 28 Mar
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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles13:12 → 14:4012:3511 min12:3448 min28 Mar
Chicago15:12 → 16:4012:320 min12:3248 min28 Mar
Jersey City16:12 → 17:4012:380 min12:3848 min28 Mar
Port of Spain16:12 → 17:4011:480 min11:4748 min28 Mar
London20:12 → 21:4011:420 min11:4248 min28 Mar
Durban22:12 → 23:4011:370 min11:3748 min28 Mar
Dubai00:12 → 01:4012:000 min12:0048 min28 Mar
Delhi01:42 → 03:1012:030 min12:0348 min28 Mar
Kolkata01:42 → 03:1011:180 min11:1848 min28 Mar
Singapore04:12 → 05:4012:460 min12:4648 min28 Mar
Sydney07:12 → 08:4012:370 min12:3648 min28 Mar
Suva08:12 → 09:4011:480 min11:4748 min28 Mar
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