Ruling · Mitra Saptamī · 1950

Friday 15 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 608 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 Friday 15 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

48 of 48 minutes covered

Midday of Saturday 16 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

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 01:41 on Fri 15 Dec to 01:39 on Sat 16 Dec.

    1950-12-14T17:41:10Z → 1950-12-15T17:38:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 15th, 11:49–12:37 on the 16th.

    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 15th and 0 of 48 on the 16th.

    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 36467 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1950: Friday 15 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1950 falls on Friday 15 December. Saptamī runs from 01:41 on Fri 15 Dec to 01:39 on Sat 16 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1950/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 15 Dec
Ahargaṇa, classicalDisc centre, no refractionFri 15 Dec
compat-drikpanchangComparison profileFri 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles09:41 → 09:3911:2448 min11:240 min14 Dec
Chicago11:41 → 11:3911:2128 min11:2217 min14 Dec
Jersey City12:41 → 12:3911:270 min11:2748 min15 Dec
Port of Spain13:41 → 13:3911:370 min11:3748 min15 Dec
London17:41 → 17:3911:310 min11:3148 min15 Dec
Durban19:41 → 19:3911:260 min11:2748 min15 Dec
Dubai21:41 → 21:3911:490 min11:5048 min15 Dec
Delhi23:11 → 23:0911:510 min11:5248 min15 Dec
Kolkata23:11 → 23:0911:070 min11:0748 min15 Dec
Singapore01:11 → 01:0912:050 min12:0548 min15 Dec
Sydney03:41 → 03:3911:260 min11:2648 min15 Dec
Suva05:41 → 05:3911:370 min11:3748 min15 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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