Ruling · Mahāśivarātri · 1942

Friday 13 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 137 minutes.

Decide it for

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

The two nights

One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.

Night of Friday 13 February

Taken. The only night Caturdaśī reaches.

niśītha begins 01:08  01:56 niśītha ends
00:2000:4401:0801:3201:5602:2002:44

48 of 48 minutes covered

Night of Saturday 14 February

Caturdaśī is absent from niśītha. Not taken.

niśītha begins 01:08  01:56 niśītha ends
00:2000:4401:0801:3201:5602:2002:44

0 of 48 minutes covered

Caturdaśī presentNiśītha, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 22:52 on Fri 13 Feb to 20:46 on Sat 14 Feb.

    1942-02-13T13:51:38Z → 1942-02-14T11:45:56Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 01:08–01:56 on the 13th, 01:08–01:56 on the 14th.

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

  3. 03

    Rule

    Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.

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

  4. 04

    Tie-break

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

    priority: disputed → only-day · margin 8190 s

  5. 05

    Ruling

    Mahāśivarātri, Baoding, 1942: Friday 13 February.

    confidence: determinate

Say it like this

In Baoding, Mahāśivarātri 1942 falls on Friday 13 February. Caturdaśī runs from 22:52 on Fri 13 Feb to 20:46 on Sat 14 Feb and covers all of niśītha that night.

ahargana.org/baoding/festivals/1942/maha-shivaratri · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 13 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 13 Feb
compat-drikpanchangComparison profileFri 13 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/maha-shivaratri · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Kṛṣṇa · Caturdaśī
Kāla
Niśītha
Priority
Disputed
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 105

“K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105. The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturdaśīNiśītha 13thCoveredNiśītha 14thCoveredRuled
Los Angeles06:52 → 04:4600:4348 min00:430 min13 Feb
Chicago08:52 → 06:4600:4148 min00:410 min13 Feb
Jersey City09:52 → 07:4600:4648 min00:460 min13 Feb
Port of Spain09:52 → 07:4623:5648 min23:560 min13 Feb
London14:52 → 12:4600:5048 min00:500 min13 Feb
Durban15:52 → 13:4623:4648 min23:460 min13 Feb
Dubai17:52 → 15:4600:0948 min00:090 min13 Feb
Delhi20:22 → 18:1601:1148 min01:110 min13 Feb
Kolkata20:22 → 18:1600:2748 min00:270 min13 Feb
Singapore21:22 → 19:1600:2548 min00:250 min13 Feb
Sydney00:52 → 22:4600:4642 min00:460 min13 Feb
Suva01:52 → 23:4623:570 min23:570 min13 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
maha-shivaratri@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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