{"id":"vidhyamitra:city-day:dwarka:2291-02-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2291-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2291-02-28","date_display":"February 28, 2291 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2291,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2557888.770833,"kali_year":5392,"ahargana":1969423.2708,"sun":{"sidereal_longitude":310.7141,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":288.0425,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":337.3284,"elapsed_within_tithi_degrees":1.3284},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":288.0425,"elapsed_within_degrees":8.0425},"yoga":{"number":18,"name":"Varīyān","sum_longitude":238.7567},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2291,"month":2,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2557888.770833,"ahargana":1969423.2708,"kali_year":5392,"ayanamsa_lahiri":27.9203,"grahas":{"sun":{"sidereal_longitude":311.257296,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":289.32689600000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":3.7969},"mars":{"sidereal_longitude":270.052596,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":280.524496,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":210.053496,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":283.632196,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":332.884196,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":230.4776,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":50.4776,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2291,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2557888.770833,"kali_year":5392,"ahargana":1969423.2708,"sun":{"sidereal_longitude":310.7141,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":288.0425,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":337.3284,"elapsed_within_tithi_degrees":1.3284},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":288.0425,"elapsed_within_degrees":8.0425},"yoga":{"number":18,"name":"Varīyān","sum_longitude":238.7567},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.797,"elongation":22.672},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.797,"opposition_distance":157.328}},"eclipse_window_40days":[]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"07:17","sunsetLocal":"18:58","solarNoonLocal":"13:07","dayLengthHours":11.67498729988895,"dayLengthDisplay":"11 Hours 40 Mins 30 Secs","nightLengthDisplay":"12 Hours 19 Mins 30 Secs","moonriseLocal":"06:03","moonsetLocal":"17:16","rahuKala":{"name":"Rāhu Kāla","start":"10:12","end":"11:40","startHours":10.203730822128222,"endHours":11.66310423461434,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:35","end":"16:02","startHours":14.581851059586578,"endHours":16.041224472072695,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:17","end":"08:45","startHours":7.284983997155983,"endHours":8.744357409642102,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:01","end":"10:24","startHours":10.009147700463405,"endHours":10.398313943793037,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:46","end":"08:05","startHours":7.771441801318023,"endHours":8.082774795981727,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:44","end":"13:31","startHours":12.733311403770827,"endHours":13.51164389043009,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:44","end":"06:30","startHours":5.728319023837456,"endHours":6.50665151049672,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:17","startHours":6.312068388831904,"endHours":7.284983997155983,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:04","end":"15:51","startHours":15.068308863748616,"endHours":15.846641350407879,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:46","end":"19:10","startHours":18.759971297044935,"endHours":19.159971297044933,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:58","end":"19:27","startHours":18.959971297044934,"endHours":19.446429101206974,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:43","end":"20:28","startHours":18.709971297044934,"endHours":20.459971297044934,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:44","end":"01:31","startHours":24.733311403770827,"endHours":25.511643890430094,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:17","end":"08:45","startHours":7.284983997155983,"endHours":8.744357409642102,"quality":"inauspicious"},{"name":"Śubha","start":"08:45","end":"10:12","startHours":8.744357409642102,"endHours":10.203730822128222,"quality":"auspicious"},{"name":"Roga","start":"10:12","end":"11:40","startHours":10.203730822128222,"endHours":11.66310423461434,"quality":"inauspicious"},{"name":"Udveg","start":"11:40","end":"13:07","startHours":11.66310423461434,"endHours":13.122477647100458,"quality":"inauspicious"},{"name":"Chala","start":"13:07","end":"14:35","startHours":13.122477647100458,"endHours":14.581851059586578,"quality":"neutral"},{"name":"Labha","start":"14:35","end":"16:02","startHours":14.581851059586578,"endHours":16.041224472072695,"quality":"auspicious"},{"name":"Amṛta","start":"16:02","end":"17:30","startHours":16.041224472072695,"endHours":17.500597884558815,"quality":"auspicious"},{"name":"Kāla","start":"17:30","end":"18:58","startHours":17.500597884558815,"endHours":18.959971297044934,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:58","end":"20:30","startHours":18.959971297044934,"endHours":20.500597884558815,"quality":"auspicious"},{"name":"Amṛta","start":"20:30","end":"22:02","startHours":20.500597884558815,"endHours":22.041224472072695,"quality":"auspicious"},{"name":"Kāla","start":"22:02","end":"23:35","startHours":22.041224472072695,"endHours":23.581851059586576,"quality":"inauspicious"},{"name":"Śubha","start":"23:35","end":"01:07","startHours":23.581851059586576,"endHours":25.12247764710046,"quality":"auspicious"},{"name":"Roga","start":"01:07","end":"02:40","startHours":25.12247764710046,"endHours":26.663104234614337,"quality":"inauspicious"},{"name":"Udveg","start":"02:40","end":"04:12","startHours":26.663104234614337,"endHours":28.20373082212822,"quality":"inauspicious"},{"name":"Chala","start":"04:12","end":"05:45","startHours":28.20373082212822,"endHours":29.744357409642102,"quality":"neutral"},{"name":"Labha","start":"05:45","end":"07:17","startHours":29.744357409642102,"endHours":31.284983997155983,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:17","end":"08:17","startHours":7.284983997155983,"endHours":8.284983997155983,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:17","end":"09:17","startHours":8.284983997155983,"endHours":9.284983997155983,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:17","end":"10:17","startHours":9.284983997155983,"endHours":10.284983997155983,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:17","end":"11:17","startHours":10.284983997155983,"endHours":11.284983997155983,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:17","end":"12:17","startHours":11.284983997155983,"endHours":12.284983997155983,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:17","end":"13:17","startHours":12.284983997155983,"endHours":13.284983997155983,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:17","end":"14:17","startHours":13.284983997155983,"endHours":14.284983997155983,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:17","end":"15:17","startHours":14.284983997155983,"endHours":15.284983997155983,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:17","end":"16:17","startHours":15.284983997155983,"endHours":16.284983997155983,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:17","end":"17:17","startHours":16.284983997155983,"endHours":17.284983997155983,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:17","end":"18:17","startHours":17.284983997155983,"endHours":18.284983997155983,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:17","end":"19:17","startHours":18.284983997155983,"endHours":19.284983997155983,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:17","end":"20:17","startHours":19.284983997155983,"endHours":20.284983997155983,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:17","end":"21:17","startHours":20.284983997155983,"endHours":21.284983997155983,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:17","end":"22:17","startHours":21.284983997155983,"endHours":22.284983997155983,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:17","end":"23:17","startHours":22.284983997155983,"endHours":23.284983997155983,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:17","end":"00:17","startHours":23.284983997155983,"endHours":24.284983997155983,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:17","end":"01:17","startHours":24.284983997155983,"endHours":25.284983997155983,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:17","end":"02:17","startHours":25.284983997155983,"endHours":26.284983997155983,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:17","end":"03:17","startHours":26.284983997155983,"endHours":27.284983997155983,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:17","end":"04:17","startHours":27.284983997155983,"endHours":28.284983997155983,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:17","end":"05:17","startHours":28.284983997155983,"endHours":29.284983997155983,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:17","end":"06:17","startHours":29.284983997155983,"endHours":30.284983997155983,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:17","end":"07:17","startHours":30.284983997155983,"endHours":31.284983997155983,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.127879041673541,"eotMinutes":-13.223058826027486,"ayanamsa":27.9203}},"calendars":{"vikram_samvat":2348,"vikram_samvatsara":"Tāraṇa","saka_samvat":2213,"saka_samvatsara":"Prajāpati","bengali_samvat":1698,"malayalam_era":1467,"nanakshahi_year":822,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Caturdaśī · Vikram 2348 Tāraṇa · Śaka 2213 Prajāpati"},"festivals":[{"id":"maha-shivaratri","name":"Mahā Śivarātri","name_sanskrit":"महा शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"The greatest night of Lord Śiva; cosmic dance of dissolution.","vrata":true,"primary_observance":"Strict fast + night-long vigil + 4-yāma pūjā","detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa","lunar_month":"Phālguna"},"precedence":1},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"maha-shivaratri-walk","name":"Mahā Śivarātri Walk","name_sanskrit":"महा शिवरात्रि यात्रा","type":"festival","description":"Śiva-stuti through Bhāgavata + Mahābhārata Anuśāsana.","step_count":12,"url":"/walk/maha-shivaratri-walk"},"reason":"Today is Mahā Śivarātri — its dedicated walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 28, 2291 CE · Dvārakā · Vidhyamitra","description":"February 28, 2291 CE for Dvārakā: Kṛṣṇa Caturdaśī, sūryodaya 07:17, sūryāsta 18:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2291-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2291-02-28","sa":"https://sa.vidhyamitra.com/city/dwarka/2291-02-28","hi":"https://hi.vidhyamitra.com/city/dwarka/2291-02-28","x-default":"https://vidhyamitra.com/city/dwarka/2291-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T09:44:48.259Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-01T09:44:48.259Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T09:44:48.259Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}