{"id":"vidhyamitra:city-day:rishikesh:1965-02-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1965-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1965-02-28","date_display":"February 28, 1965 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":1965,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438819.770833,"kali_year":5066,"ahargana":1850354.2708,"sun":{"sidereal_longitude":316.1152,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":276.7808,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":320.6656,"elapsed_within_tithi_degrees":8.6656},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":276.7808,"elapsed_within_degrees":10.1142},"yoga":{"number":18,"name":"Varīyān","sum_longitude":232.896},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1965,"month":2,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438819.770833,"ahargana":1850354.2708,"kali_year":5066,"ayanamsa_lahiri":23.3663,"grahas":{"sun":{"sidereal_longitude":315.8827080000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":277.981708,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":-2.7348},"mars":{"sidereal_longitude":149.37190800000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":319.72750799999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":27.208008000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":305.53920800000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":315.09890799999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":59.3262,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":239.3262,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":1965,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438819.770833,"kali_year":5066,"ahargana":1850354.2708,"sun":{"sidereal_longitude":316.1152,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":276.7808,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":320.6656,"elapsed_within_tithi_degrees":8.6656},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":276.7808,"elapsed_within_degrees":10.1142},"yoga":{"number":18,"name":"Varīyān","sum_longitude":232.896},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.735,"elongation":39.334},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.735,"opposition_distance":140.666}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"06:45","sunsetLocal":"18:15","solarNoonLocal":"12:30","dayLengthHours":11.499282441292117,"dayLengthDisplay":"11 Hours 29 Mins 57 Secs","nightLengthDisplay":"12 Hours 30 Mins 03 Secs","moonriseLocal":"04:44","moonsetLocal":"15:13","rahuKala":{"name":"Rāhu Kāla","start":"16:49","end":"18:15","startHours":16.81477522925167,"endHours":18.252185534413183,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:30","end":"13:56","startHours":12.502544313767125,"endHours":13.93995461892864,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:23","end":"16:49","startHours":15.377364924090156,"endHours":16.81477522925167,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:49","startHours":9.436068996089228,"endHours":9.819378410798965,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:14","end":"07:32","startHours":7.232039861508238,"endHours":7.538687393276028,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:07","end":"12:53","startHours":12.119234899057387,"endHours":12.885853728476862,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:13","end":"05:59","startHours":5.219665434282119,"endHours":5.9862842637015925,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:48","end":"06:45","startHours":5.794629556346724,"endHours":6.752903093121067,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:11","startHours":14.419091387315813,"endHours":15.185710216735288,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.052185534413184,"endHours":18.452185534413182,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:44","startHours":18.252185534413183,"endHours":18.731322302800354,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":18.002185534413183,"endHours":19.752185534413183,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:07","end":"00:53","startHours":24.11923489905739,"endHours":24.88585372847686,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:45","end":"08:11","startHours":6.752903093121067,"endHours":8.190313398282582,"quality":"inauspicious"},{"name":"Chala","start":"08:11","end":"09:38","startHours":8.190313398282582,"endHours":9.627723703444097,"quality":"neutral"},{"name":"Labha","start":"09:38","end":"11:04","startHours":9.627723703444097,"endHours":11.065134008605611,"quality":"auspicious"},{"name":"Amṛta","start":"11:04","end":"12:30","startHours":11.065134008605611,"endHours":12.502544313767125,"quality":"auspicious"},{"name":"Kāla","start":"12:30","end":"13:56","startHours":12.502544313767125,"endHours":13.93995461892864,"quality":"inauspicious"},{"name":"Śubha","start":"13:56","end":"15:23","startHours":13.93995461892864,"endHours":15.377364924090156,"quality":"auspicious"},{"name":"Roga","start":"15:23","end":"16:49","startHours":15.377364924090156,"endHours":16.81477522925167,"quality":"inauspicious"},{"name":"Udveg","start":"16:49","end":"18:15","startHours":16.81477522925167,"endHours":18.252185534413183,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:15","end":"19:49","startHours":18.252185534413183,"endHours":19.81477522925167,"quality":"auspicious"},{"name":"Roga","start":"19:49","end":"21:23","startHours":19.81477522925167,"endHours":21.377364924090152,"quality":"inauspicious"},{"name":"Udveg","start":"21:23","end":"22:56","startHours":21.377364924090152,"endHours":22.93995461892864,"quality":"inauspicious"},{"name":"Chala","start":"22:56","end":"00:30","startHours":22.93995461892864,"endHours":24.502544313767125,"quality":"neutral"},{"name":"Labha","start":"00:30","end":"02:04","startHours":24.502544313767125,"endHours":26.06513400860561,"quality":"auspicious"},{"name":"Amṛta","start":"02:04","end":"03:38","startHours":26.06513400860561,"endHours":27.627723703444097,"quality":"auspicious"},{"name":"Kāla","start":"03:38","end":"05:11","startHours":27.627723703444097,"endHours":29.19031339828258,"quality":"inauspicious"},{"name":"Śubha","start":"05:11","end":"06:45","startHours":29.19031339828258,"endHours":30.752903093121066,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.752903093121067,"endHours":7.752903093121067,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.752903093121067,"endHours":8.752903093121066,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.752903093121066,"endHours":9.752903093121066,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.752903093121066,"endHours":10.752903093121066,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.752903093121066,"endHours":11.752903093121066,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.752903093121066,"endHours":12.752903093121066,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.752903093121066,"endHours":13.752903093121066,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.752903093121066,"endHours":14.752903093121066,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.752903093121066,"endHours":15.752903093121066,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.752903093121066,"endHours":16.752903093121066,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.752903093121066,"endHours":17.752903093121066,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.752903093121066,"endHours":18.752903093121066,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.752903093121066,"endHours":19.752903093121066,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.752903093121066,"endHours":20.752903093121066,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.752903093121066,"endHours":21.752903093121066,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.752903093121066,"endHours":22.752903093121066,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.752903093121066,"endHours":23.752903093121066,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.752903093121066,"endHours":24.752903093121066,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.752903093121066,"endHours":25.752903093121066,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.752903093121066,"endHours":26.752903093121066,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.752903093121066,"endHours":27.752903093121066,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.752903093121066,"endHours":28.752903093121066,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.752903093121066,"endHours":29.752903093121066,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.752903093121066,"endHours":30.752903093121066,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Amṛta","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":-8.101056422813821,"eotMinutes":-13.223058826027486,"ayanamsa":23.3663}},"calendars":{"vikram_samvat":2022,"vikram_samvatsara":"Kālayukta","saka_samvat":1887,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1372,"malayalam_era":1141,"nanakshahi_year":496,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","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 Dvādaśī · Vikram 2022 Kālayukta · Śaka 1887 Viśvāvasu"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"rishikesh"},"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, 1965 CE · Ṛṣikeśa · Vidhyamitra","description":"February 28, 1965 CE for Ṛṣikeśa: Kṛṣṇa Dvādaśī, sūryodaya 06:45, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1965-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1965-02-28","sa":"https://sa.vidhyamitra.com/city/rishikesh/1965-02-28","hi":"https://hi.vidhyamitra.com/city/rishikesh/1965-02-28","x-default":"https://vidhyamitra.com/city/rishikesh/1965-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T04:07:36.806Z","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":"2026-05-31T04:07:36.806Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T04:07:36.806Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}