Ruling · Rāma Navamī (Rāma Jayantī) · 2033

Thursday 7 April

Boundaryin Baoding, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. 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 Thursday 7 April

Taken. Both middays qualify; the rule is silent, and this one is covered longer.

madhyāhna begins 11:57  12:45 madhyāhna ends
Navamī begins 11:39:08
11:0911:3311:5712:2112:4513:0913:33

48 of 48 minutes covered

Midday of Friday 8 April

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
Navamī ends 12:59:47
11:0811:3211:5612:2012:4413:0813:32

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 11:39 on Thu 7 Apr to 13:00 on Fri 8 Apr.

    2033-04-07T03:39:08Z → 2033-04-08T04:59:47Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 7th, 11:56–12:44 on the 8th.

    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 7th and 48 of 48 on the 8th.

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

  4. 04

    Tie-break

    Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 926 s

  5. 05

    Ruling

    Rāma Navamī, Baoding, 2033: Thursday 7 April.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Rāma Navamī 2033 falls on Thursday 7 April. Navamī runs from 11:39 on Thu 7 Apr to 13:00 on Fri 8 Apr and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/baoding/festivals/2033/rama-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 7 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 7 Apr
compat-drikpanchangComparison profileThu 7 Apr
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/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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles20:39 → 22:0012:3148 min12:310 min7 Apr
Chicago22:39 → 00:0012:2948 min12:290 min7 Apr
Jersey City23:39 → 01:0012:3548 min12:340 min7 Apr
Port of Spain23:39 → 01:0011:4448 min11:440 min7 Apr
London04:39 → 06:0012:3948 min12:390 min7 Apr
Durban05:39 → 07:0011:3448 min11:330 min7 Apr
Dubai07:39 → 09:0011:5748 min11:570 min7 Apr
Delhi09:09 → 10:3011:5948 min11:590 min7 Apr
Kolkata09:09 → 10:3011:1548 min11:150 min7 Apr
Singapore11:39 → 13:0012:4348 min12:4217 min7 Apr
Sydney13:39 → 15:0011:330 min11:3348 min8 Apr
Suva15:39 → 17:0011:440 min11:4448 min8 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