{"id":"vidhyamitra:city-day:rishikesh:2027-02-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2027-02-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-02-12","date_display":"February 12, 2027 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":2027,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461448.770833,"kali_year":5128,"ahargana":1872983.2708,"sun":{"sidereal_longitude":298.8654,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":3.2811,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.4157,"elapsed_within_tithi_degrees":4.4157},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":3.2811,"elapsed_within_degrees":3.2811},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.1466},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2027,"month":2,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461448.770833,"ahargana":1872983.2708,"kali_year":5128,"ayanamsa_lahiri":24.2318,"grahas":{"sun":{"sidereal_longitude":298.84801300000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":0.3892129999999838,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false,"latitude":4.0068},"mars":{"sidereal_longitude":129.094513,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":310.944113,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":117.44931299999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":255.08431300000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":347.113713,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":300.3329,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":120.3329,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2027,"month":2,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461448.770833,"kali_year":5128,"ahargana":1872983.2708,"sun":{"sidereal_longitude":298.8654,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":3.2811,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.4157,"elapsed_within_tithi_degrees":4.4157},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":3.2811,"elapsed_within_degrees":3.2811},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.1466},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.007,"elongation":64.416},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.007,"opposition_distance":115.584}},"eclipse_window_40days":[{"offset_days":9,"type":"lunar","occurs":true,"moon_latitude":-0.791,"opposition_distance":1.992}]},"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":"07:00","sunsetLocal":"18:03","solarNoonLocal":"12:32","dayLengthHours":11.040650722456755,"dayLengthDisplay":"11 Hours 02 Mins 26 Secs","nightLengthDisplay":"12 Hours 57 Mins 34 Secs","moonriseLocal":"10:13","moonsetLocal":"23:03","rahuKala":{"name":"Rāhu Kāla","start":"11:09","end":"12:32","startHours":11.145324194607747,"endHours":12.525405534914842,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:17","end":"16:40","startHours":15.28556821552903,"endHours":16.665649555836126,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:23","end":"09:46","startHours":8.385161513993559,"endHours":9.765242854300652,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:57","startHours":9.581232008926374,"endHours":9.949253699674932,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:46","startHours":7.465107287122162,"endHours":7.759524639721009,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.157383844166283,"endHours":12.893427225663398,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:32","end":"06:16","startHours":5.53299341069223,"endHours":6.269036792189347,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:05","end":"07:00","startHours":6.085025946815067,"endHours":7.005080173686464,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:06","startHours":14.365513988657634,"endHours":15.101557370154751,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.84573089614322,"endHours":18.24573089614322,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:30","startHours":18.04573089614322,"endHours":18.505758009578916,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.79573089614322,"endHours":19.54573089614322,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.15738384416628,"endHours":24.893427225663398,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:00","end":"08:23","startHours":7.005080173686464,"endHours":8.385161513993559,"quality":"neutral"},{"name":"Labha","start":"08:23","end":"09:46","startHours":8.385161513993559,"endHours":9.765242854300652,"quality":"auspicious"},{"name":"Amṛta","start":"09:46","end":"11:09","startHours":9.765242854300652,"endHours":11.145324194607747,"quality":"auspicious"},{"name":"Kāla","start":"11:09","end":"12:32","startHours":11.145324194607747,"endHours":12.525405534914842,"quality":"inauspicious"},{"name":"Śubha","start":"12:32","end":"13:54","startHours":12.525405534914842,"endHours":13.905486875221936,"quality":"auspicious"},{"name":"Roga","start":"13:54","end":"15:17","startHours":13.905486875221936,"endHours":15.28556821552903,"quality":"inauspicious"},{"name":"Udveg","start":"15:17","end":"16:40","startHours":15.28556821552903,"endHours":16.665649555836126,"quality":"inauspicious"},{"name":"Chala","start":"16:40","end":"18:03","startHours":16.665649555836126,"endHours":18.04573089614322,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:03","end":"19:40","startHours":18.04573089614322,"endHours":19.665649555836126,"quality":"inauspicious"},{"name":"Udveg","start":"19:40","end":"21:17","startHours":19.665649555836126,"endHours":21.28556821552903,"quality":"inauspicious"},{"name":"Chala","start":"21:17","end":"22:54","startHours":21.28556821552903,"endHours":22.905486875221936,"quality":"neutral"},{"name":"Labha","start":"22:54","end":"00:32","startHours":22.905486875221936,"endHours":24.525405534914842,"quality":"auspicious"},{"name":"Amṛta","start":"00:32","end":"02:09","startHours":24.525405534914842,"endHours":26.145324194607745,"quality":"auspicious"},{"name":"Kāla","start":"02:09","end":"03:46","startHours":26.145324194607745,"endHours":27.765242854300652,"quality":"inauspicious"},{"name":"Śubha","start":"03:46","end":"05:23","startHours":27.765242854300652,"endHours":29.38516151399356,"quality":"auspicious"},{"name":"Roga","start":"05:23","end":"07:00","startHours":29.38516151399356,"endHours":31.005080173686466,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":7.005080173686464,"endHours":8.005080173686464,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":8.005080173686464,"endHours":9.005080173686464,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":9.005080173686464,"endHours":10.005080173686464,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":10.005080173686464,"endHours":11.005080173686464,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":11.005080173686464,"endHours":12.005080173686464,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":12.005080173686464,"endHours":13.005080173686464,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":13.005080173686464,"endHours":14.005080173686464,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":14.005080173686464,"endHours":15.005080173686464,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":15.005080173686464,"endHours":16.005080173686466,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":16.005080173686466,"endHours":17.005080173686466,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":17.005080173686466,"endHours":18.005080173686466,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":18.005080173686466,"endHours":19.005080173686466,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":19.005080173686466,"endHours":20.005080173686466,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":20.005080173686466,"endHours":21.005080173686466,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":21.005080173686466,"endHours":22.005080173686466,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":22.005080173686466,"endHours":23.005080173686466,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":23.005080173686466,"endHours":24.005080173686466,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":24.005080173686466,"endHours":25.005080173686466,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":25.005080173686466,"endHours":26.005080173686466,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":26.005080173686466,"endHours":27.005080173686466,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":27.005080173686466,"endHours":28.005080173686466,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":28.005080173686466,"endHours":29.005080173686466,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":29.005080173686466,"endHours":30.005080173686466,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":30.005080173686466,"endHours":31.005080173686466,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-13.82272767275058,"eotMinutes":-14.594732094890398,"ayanamsa":24.2318}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Ṣaṣṭhī · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"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 12, 2027 CE · Ṛṣikeśa · Vidhyamitra","description":"February 12, 2027 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 07:00, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2027-02-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2027-02-12","sa":"https://sa.vidhyamitra.com/city/rishikesh/2027-02-12","hi":"https://hi.vidhyamitra.com/city/rishikesh/2027-02-12","x-default":"https://vidhyamitra.com/city/rishikesh/2027-02-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:17:27.515Z","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":"2026-05-15T06:17:27.515Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:17:27.515Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}