Ruling · Ratha Saptamī · 2040

Sunday 19 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 475 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 18 February

Saptamī is absent from aruṇodaya. Not taken.

05:22 aruṇodaya beginssunrise 07:07
04:5805:2205:4606:1006:3406:5807:22

0 of 105 minutes covered

Dawn of Sunday 19 February

Taken. The only dawn Saptamī reaches.

05:21 aruṇodaya beginssunrise 07:06
04:5705:2105:4506:0906:3306:5707:21

105 of 105 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 15:02 on Sat 18 Feb to 16:33 on Sun 19 Feb.

    2040-02-18T07:01:34Z → 2040-02-19T08:32:54Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:22–07:07 on the 18th, 05:21–07:06 on the 19th.

    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 105 minutes on the 18th and 105 of 105 on the 19th.

    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 28478 s

  5. 05

    Ruling

    Ratha Saptamī, Baoding, 2040: Sunday 19 February.

    confidence: determinate

Say it like this

In Baoding, Ratha Saptamī 2040 falls on Sunday 19 February. Saptamī runs from 15:02 on Sat 18 Feb to 16:33 on Sun 19 Feb and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2040/ratha-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 19 Feb
Ahargaṇa, classicalDisc centre, no refractionSun 19 Feb
compat-drikpanchangComparison profileSun 19 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 18thCoveredAruṇodaya 19thCoveredRuled
Los Angeles23:02 → 00:3304:51104 min04:510 min18 Feb
Chicago01:02 → 02:3304:56106 min04:550 min18 Feb
Jersey City02:02 → 03:3305:01106 min05:000 min18 Feb
Port of Spain03:02 → 04:3304:4898 min04:480 min18 Feb
London07:02 → 08:3305:198 min05:17110 min19 Feb
Durban09:02 → 10:3304:110 min04:1288 min19 Feb
Dubai11:02 → 12:3305:110 min05:10101 min19 Feb
Delhi12:32 → 14:0305:160 min05:15102 min19 Feb
Kolkata12:32 → 14:0304:270 min04:26100 min19 Feb
Singapore15:02 → 16:3305:410 min05:4195 min19 Feb
Sydney18:02 → 19:3305:060 min05:0786 min19 Feb
Suva19:02 → 20:3304:300 min04:3091 min19 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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