Ruling · Mitra Saptamī · 1969

Monday 15 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 551 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 Sunday 14 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

Midday of Monday 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

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 23:32 on Sun 14 Dec to 21:48 on Mon 15 Dec.

    1969-12-14T15:32:12Z → 1969-12-15T13:48:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 14th, 11:49–12:37 on the 15th.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.

    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 33077 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1969: Monday 15 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1969 falls on Monday 15 December. Saptamī runs from 23:32 on Sun 14 Dec to 21:48 on Mon 15 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1969/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 15 Dec
Ahargaṇa, classicalDisc centre, no refractionMon 15 Dec
compat-drikpanchangComparison profileMon 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 Angeles07:32 → 05:4811:2448 min11:240 min14 Dec
Chicago09:32 → 07:4811:2148 min11:220 min14 Dec
Jersey City10:32 → 08:4811:2748 min11:280 min14 Dec
Port of Spain11:32 → 09:4811:3748 min11:370 min14 Dec
London16:32 → 14:4812:310 min12:3248 min15 Dec
Durban17:32 → 15:4811:270 min11:2748 min15 Dec
Dubai19:32 → 17:4811:490 min11:5048 min15 Dec
Delhi21:02 → 19:1811:520 min11:5248 min15 Dec
Kolkata21:02 → 19:1811:070 min11:0848 min15 Dec
Singapore23:02 → 21:1812:050 min12:0648 min15 Dec
Sydney01:32 → 23:4811:260 min11:2648 min15 Dec
Suva03:32 → 01:4811:370 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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