Ruling · Mitra Saptamī · 2039

Wednesday 21 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 293 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Wednesday 21 December

Taken. The only midday Saptamī reaches.

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

48 of 48 minutes covered

Midday of Thursday 22 December

Saptamī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 06:59 on Wed 21 Dec to 06:09 on Thu 22 Dec.

    2039-12-20T22:58:53Z → 2039-12-21T22:08:45Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 21st, 11:52–12:40 on the 22nd.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 17586 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 2039: Wednesday 21 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 2039 falls on Wednesday 21 December. Saptamī runs from 06:59 on Wed 21 Dec to 06:09 on Thu 22 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2039/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 21 Dec
Ahargaṇa, classicalDisc centre, no refractionWed 21 Dec
compat-drikpanchangComparison profileWed 21 Dec
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/mitra-saptami · ruleset 2026.3-draft

Month
Mārgaśīrṣa, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 7 Mitra saptami (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles14:59 → 14:0911:270 min11:2748 min21 Dec
Chicago16:59 → 16:0911:240 min11:2548 min21 Dec
Jersey City17:59 → 17:0911:300 min11:3048 min21 Dec
Port of Spain18:59 → 18:0911:400 min11:4048 min21 Dec
London22:59 → 22:0911:340 min11:3448 min21 Dec
Durban00:59 → 00:0911:290 min11:3048 min21 Dec
Dubai02:59 → 02:0911:520 min11:5348 min21 Dec
Delhi04:29 → 03:3911:540 min11:5548 min21 Dec
Kolkata04:29 → 03:3911:100 min11:1048 min21 Dec
Singapore06:59 → 06:0912:380 min12:3848 min21 Dec
Sydney09:59 → 09:0912:280 min12:2948 min21 Dec
Suva10:59 → 10:0911:400 min11:4048 min21 Dec
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mitra-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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