Ruling · Rambhā Tṛtīyā · 2074

Monday 28 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 19 minutes.

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 Monday 28 May

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

madhyāhna begins 11:52  12:40 madhyāhna ends
Tṛtīyā begins 11:08:28
11:0411:2811:5212:1612:4013:0413:28

48 of 48 minutes covered

Midday of Tuesday 29 May

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
Tṛtīyā ends 12:58:33
11:0411:2811:5212:1612:4013:0413:28

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Tṛtīyā runs from 11:08 on Mon 28 May to 12:59 on Tue 29 May.

    2074-05-28T03:08:29Z → 2074-05-29T04:58:34Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 28th, 11:52–12:40 on the 29th.

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

  3. 03

    Rule

    Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 48 of 48 on the 29th.

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

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1112 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 2074: Monday 28 May.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 2074 falls on Monday 28 May. Tṛtīyā runs from 11:08 on Mon 28 May to 12:59 on Tue 29 May and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/2074/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 28 May
Ahargaṇa, classicalDisc centre, no refractionMon 28 May
compat-drikpanchangComparison profileMon 28 May
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/rambha-tritiya · ruleset 2026.3-draft

Month
Jyeṣṭha, amānta
Pakṣa · aṅga
Śukla · Tṛtīyā
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 102

“S 3 Rambha trtiya (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceTṛtīyāMadhyāhna 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles20:08 → 21:5912:2748 min12:270 min28 May
Chicago22:08 → 23:5912:2448 min12:250 min28 May
Jersey City23:08 → 00:5912:3048 min12:300 min28 May
Port of Spain23:08 → 00:5911:4048 min11:400 min28 May
London04:08 → 05:5912:3448 min12:350 min28 May
Durban05:08 → 06:5911:2948 min11:300 min28 May
Dubai07:08 → 08:5911:5248 min11:530 min28 May
Delhi08:38 → 10:2911:5548 min11:550 min28 May
Kolkata08:38 → 10:2911:1048 min11:100 min28 May
Singapore11:08 → 12:5912:3848 min12:3820 min28 May
Sydney13:08 → 14:5911:290 min11:2948 min29 May
Suva15:08 → 16:5911:400 min11:4048 min29 May
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rambha-tritiya@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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