Ruling · Ratha Saptamī · 1962

Sunday 11 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 297 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two dawns

One ghaṭī is 24 minutes. Aruṇodaya is 2 muhūrtas before sunrise.

Dawn of Saturday 10 February

Saptamī is absent from aruṇodaya. Not taken.

05:29 aruṇodaya beginssunrise 07:17
05:0505:2905:5306:1706:4107:0507:29

0 of 108 minutes covered

Dawn of Sunday 11 February

Taken. The only dawn Saptamī reaches.

05:28 aruṇodaya beginssunrise 07:16
05:0405:2805:5206:1606:4007:0407:28

108 of 108 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 13:44 on Sat 10 Feb to 12:13 on Sun 11 Feb.

    1962-02-10T05:43:34Z → 1962-02-11T04:12:55Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:29–07:17 on the 10th, 05:28–07:16 on the 11th.

    arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Saptamī must be present during aruṇodaya. It covers 0 of 108 minutes on the 10th and 108 of 108 on the 11th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 17844 s

  5. 05

    Ruling

    Ratha Saptamī, Baoding, 1962: Sunday 11 February.

    confidence: determinate

Say it like this

In Baoding, Ratha Saptamī 1962 falls on Sunday 11 February. Saptamī runs from 13:44 on Sat 10 Feb to 12:13 on Sun 11 Feb and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1962/ratha-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 Feb
Ahargaṇa, classicalDisc centre, no refractionSun 11 Feb
compat-drikpanchangComparison profileSun 11 Feb
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/ratha-saptami · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Aruṇodaya
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 105

“S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha].” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīAruṇodaya 10thCoveredAruṇodaya 11thCoveredRuled
Los Angeles21:44 → 20:1304:58106 min04:570 min10 Feb
Chicago23:44 → 22:1305:05109 min05:040 min10 Feb
Jersey City00:44 → 23:1305:09109 min05:080 min10 Feb
Port of Spain01:44 → 00:1304:5098 min04:500 min10 Feb
London05:44 → 04:1305:30102 min05:290 min10 Feb
Durban07:44 → 06:1304:060 min04:0786 min11 Feb
Dubai09:44 → 08:1305:150 min05:14102 min11 Feb
Delhi11:14 → 09:4305:210 min05:20104 min11 Feb
Kolkata11:14 → 09:4304:300 min04:30102 min11 Feb
Singapore13:14 → 11:4305:120 min05:1295 min11 Feb
Sydney15:44 → 14:1304:010 min04:0284 min11 Feb
Suva17:44 → 16:1304:280 min04:2890 min11 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
ratha-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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