{"id":"vidhyamitra:city-day:howrah:2175-02-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2175-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2175-02-28","date_display":"February 28, 2175 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":2175,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515520.770833,"kali_year":5276,"ahargana":1927055.2708,"sun":{"sidereal_longitude":312.7495,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":42.1841,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":89.4346,"elapsed_within_tithi_degrees":5.4346},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.1841,"elapsed_within_degrees":2.1841},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":354.9335},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2175,"month":2,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2515520.770833,"ahargana":1927055.2708,"kali_year":5276,"ayanamsa_lahiri":26.2998,"grahas":{"sun":{"sidereal_longitude":313.015266,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":45.433565999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false,"latitude":4.4932},"mars":{"sidereal_longitude":355.900566,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":305.53546600000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":283.6210659999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"venus":{"sidereal_longitude":350.454066,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":356.013166,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":315.3381,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":135.3381,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"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":2175,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515520.770833,"kali_year":5276,"ahargana":1927055.2708,"sun":{"sidereal_longitude":312.7495,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":42.1841,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":89.4346,"elapsed_within_tithi_degrees":5.4346},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.1841,"elapsed_within_degrees":2.1841},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":354.9335},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.493,"elongation":89.435},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.493,"opposition_distance":90.565}},"eclipse_window_40days":[]},"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"06:00","sunsetLocal":"17:40","solarNoonLocal":"11:50","dayLengthHours":11.670258754314013,"dayLengthDisplay":"11 Hours 40 Mins 13 Secs","nightLengthDisplay":"12 Hours 19 Mins 47 Secs","moonriseLocal":"11:18","moonsetLocal":"00:42","rahuKala":{"name":"Rāhu Kāla","start":"14:45","end":"16:13","startHours":14.75370900234563,"endHours":16.21249134663488,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:55","end":"10:23","startHours":8.918579625188624,"endHours":10.377361969477874,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:50","end":"13:18","startHours":11.836144313767125,"endHours":13.294926658056378,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:07","startHours":8.724075312616723,"endHours":9.113083937760523,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:29","end":"06:48","startHours":6.487275718039871,"endHours":6.798482618154911,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:27","end":"12:14","startHours":11.447135688623325,"endHours":12.225152938910925,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:13","startHours":4.444980436034918,"endHours":5.222997686322519,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"06:00","startHours":5.028493373750619,"endHours":6.00101493661012,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:47","end":"14:34","startHours":13.781187439486128,"endHours":14.559204689773729,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.471273690924132,"endHours":17.87127369092413,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:09","startHours":17.67127369092413,"endHours":18.15753447235388,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.42127369092413,"endHours":19.17127369092413,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:27","end":"00:14","startHours":23.447135688623323,"endHours":24.225152938910927,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:00","end":"07:28","startHours":6.00101493661012,"endHours":7.459797280899371,"quality":"inauspicious"},{"name":"Udveg","start":"07:28","end":"08:55","startHours":7.459797280899371,"endHours":8.918579625188624,"quality":"inauspicious"},{"name":"Chala","start":"08:55","end":"10:23","startHours":8.918579625188624,"endHours":10.377361969477874,"quality":"neutral"},{"name":"Labha","start":"10:23","end":"11:50","startHours":10.377361969477874,"endHours":11.836144313767125,"quality":"auspicious"},{"name":"Amṛta","start":"11:50","end":"13:18","startHours":11.836144313767125,"endHours":13.294926658056378,"quality":"auspicious"},{"name":"Kāla","start":"13:18","end":"14:45","startHours":13.294926658056378,"endHours":14.75370900234563,"quality":"inauspicious"},{"name":"Śubha","start":"14:45","end":"16:13","startHours":14.75370900234563,"endHours":16.21249134663488,"quality":"auspicious"},{"name":"Roga","start":"16:13","end":"17:40","startHours":16.21249134663488,"endHours":17.67127369092413,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:40","end":"19:13","startHours":17.67127369092413,"endHours":19.21249134663488,"quality":"inauspicious"},{"name":"Śubha","start":"19:13","end":"20:45","startHours":19.21249134663488,"endHours":20.75370900234563,"quality":"auspicious"},{"name":"Roga","start":"20:45","end":"22:18","startHours":20.75370900234563,"endHours":22.294926658056376,"quality":"inauspicious"},{"name":"Udveg","start":"22:18","end":"23:50","startHours":22.294926658056376,"endHours":23.836144313767125,"quality":"inauspicious"},{"name":"Chala","start":"23:50","end":"01:23","startHours":23.836144313767125,"endHours":25.377361969477874,"quality":"neutral"},{"name":"Labha","start":"01:23","end":"02:55","startHours":25.377361969477874,"endHours":26.91857962518862,"quality":"auspicious"},{"name":"Amṛta","start":"02:55","end":"04:28","startHours":26.91857962518862,"endHours":28.45979728089937,"quality":"auspicious"},{"name":"Kāla","start":"04:28","end":"06:00","startHours":28.45979728089937,"endHours":30.00101493661012,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:00","end":"07:00","startHours":6.00101493661012,"endHours":7.00101493661012,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:00","end":"08:00","startHours":7.00101493661012,"endHours":8.001014936610119,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:00","end":"09:00","startHours":8.001014936610119,"endHours":9.001014936610119,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:00","end":"10:00","startHours":9.001014936610119,"endHours":10.001014936610119,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:00","end":"11:00","startHours":10.001014936610119,"endHours":11.001014936610119,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:00","end":"12:00","startHours":11.001014936610119,"endHours":12.001014936610119,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:00","end":"13:00","startHours":12.001014936610119,"endHours":13.001014936610119,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:00","end":"14:00","startHours":13.001014936610119,"endHours":14.001014936610119,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:00","end":"15:00","startHours":14.001014936610119,"endHours":15.001014936610119,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:00","end":"16:00","startHours":15.001014936610119,"endHours":16.00101493661012,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:00","end":"17:00","startHours":16.00101493661012,"endHours":17.00101493661012,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:00","end":"18:00","startHours":17.00101493661012,"endHours":18.00101493661012,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:00","end":"19:00","startHours":18.00101493661012,"endHours":19.00101493661012,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:00","end":"20:00","startHours":19.00101493661012,"endHours":20.00101493661012,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:00","end":"21:00","startHours":20.00101493661012,"endHours":21.00101493661012,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:00","end":"22:00","startHours":21.00101493661012,"endHours":22.00101493661012,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:00","end":"23:00","startHours":22.00101493661012,"endHours":23.00101493661012,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:00","end":"00:00","startHours":23.00101493661012,"endHours":24.00101493661012,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:00","end":"01:00","startHours":24.00101493661012,"endHours":25.00101493661012,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:00","end":"02:00","startHours":25.00101493661012,"endHours":26.00101493661012,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:00","end":"03:00","startHours":26.00101493661012,"endHours":27.00101493661012,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:00","end":"04:00","startHours":27.00101493661012,"endHours":28.00101493661012,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:00","end":"05:00","startHours":28.00101493661012,"endHours":29.00101493661012,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:00","end":"06:00","startHours":29.00101493661012,"endHours":30.00101493661012,"planetary_lord":"Saturn"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.076235097924158,"eotMinutes":-13.223058826027486,"ayanamsa":26.2998}},"calendars":{"vikram_samvat":2232,"vikram_samvatsara":"Sarvadhāri","saka_samvat":2097,"saka_samvatsara":"Yuva","bengali_samvat":1582,"malayalam_era":1351,"nanakshahi_year":706,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla 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 Śukla Aṣṭamī · Vikram 2232 Sarvadhāri · Śaka 2097 Yuva"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"howrah"},"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, 2175 CE · Howrah, West Bengal · Vidhyamitra","description":"February 28, 2175 CE for Howrah, West Bengal: Śukla Aṣṭamī, sūryodaya 06:00, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2175-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2175-02-28","sa":"https://sa.vidhyamitra.com/city/howrah/2175-02-28","hi":"https://hi.vidhyamitra.com/city/howrah/2175-02-28","x-default":"https://vidhyamitra.com/city/howrah/2175-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T13:32:12.371Z","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":"2026-06-03T13:32:12.371Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T13:32:12.371Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}