{"id":"vidhyamitra:city-day:rishikesh:2013-02-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2013-02-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2013-02-16","date_display":"February 16, 2013 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2013,"month":2,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456339.770833,"kali_year":5114,"ahargana":1867874.2708,"sun":{"sidereal_longitude":303.5606,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":13.4485,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":69.8879,"elapsed_within_tithi_degrees":9.8879},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":13.4485,"elapsed_within_degrees":0.1152},"yoga":{"number":24,"name":"Śukla","sum_longitude":317.0091},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":2013,"month":2,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456339.770833,"ahargana":1867874.2708,"kali_year":5114,"ayanamsa_lahiri":24.0364,"grahas":{"sun":{"sidereal_longitude":303.4873150000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":13.569414999999992,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":1.3582},"mars":{"sidereal_longitude":316.83351500000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":321.37911499999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":42.33111500000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":293.23691499999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":197.224015,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":211.0323,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":31.0323,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2013,"month":2,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456339.770833,"kali_year":5114,"ahargana":1867874.2708,"sun":{"sidereal_longitude":303.5606,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":13.4485,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":69.8879,"elapsed_within_tithi_degrees":9.8879},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":13.4485,"elapsed_within_degrees":0.1152},"yoga":{"number":24,"name":"Śukla","sum_longitude":317.0091},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.358,"elongation":69.888},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.358,"opposition_distance":110.112}},"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":"06:57","sunsetLocal":"18:06","solarNoonLocal":"12:31","dayLengthHours":11.162138561081555,"dayLengthDisplay":"11 Hours 09 Mins 44 Secs","nightLengthDisplay":"12 Hours 50 Mins 16 Secs","moonriseLocal":"10:36","moonsetLocal":"23:48","rahuKala":{"name":"Rāhu Kāla","start":"09:44","end":"11:08","startHours":9.733925503095547,"endHours":11.129192823230742,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:55","end":"15:19","startHours":13.919727463501129,"endHours":15.314994783636324,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:57","end":"08:20","startHours":6.943390862825158,"endHours":8.338658182960351,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:55","startHours":9.547889860410855,"endHours":9.919961145780238,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:25","end":"07:42","startHours":7.40847996953689,"endHours":7.706136997832398,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.15238885799655,"endHours":12.89653142873532,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:12","startHours":5.455105721347618,"endHours":6.199248292086388,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:01","end":"06:57","startHours":6.013212649401695,"endHours":6.943390862825158,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:08","startHours":14.38481657021286,"endHours":15.12895914095163,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.905529423906714,"endHours":18.305529423906712,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:34","startHours":18.105529423906713,"endHours":18.570618530618443,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.855529423906713,"endHours":19.605529423906713,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.15238885799655,"endHours":24.896531428735322,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:57","end":"08:20","startHours":6.943390862825158,"endHours":8.338658182960351,"quality":"inauspicious"},{"name":"Śubha","start":"08:20","end":"09:44","startHours":8.338658182960351,"endHours":9.733925503095547,"quality":"auspicious"},{"name":"Roga","start":"09:44","end":"11:08","startHours":9.733925503095547,"endHours":11.129192823230742,"quality":"inauspicious"},{"name":"Udveg","start":"11:08","end":"12:31","startHours":11.129192823230742,"endHours":12.524460143365935,"quality":"inauspicious"},{"name":"Chala","start":"12:31","end":"13:55","startHours":12.524460143365935,"endHours":13.919727463501129,"quality":"neutral"},{"name":"Labha","start":"13:55","end":"15:19","startHours":13.919727463501129,"endHours":15.314994783636324,"quality":"auspicious"},{"name":"Amṛta","start":"15:19","end":"16:43","startHours":15.314994783636324,"endHours":16.71026210377152,"quality":"auspicious"},{"name":"Kāla","start":"16:43","end":"18:06","startHours":16.71026210377152,"endHours":18.105529423906713,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:06","end":"19:43","startHours":18.105529423906713,"endHours":19.71026210377152,"quality":"auspicious"},{"name":"Amṛta","start":"19:43","end":"21:19","startHours":19.71026210377152,"endHours":21.314994783636322,"quality":"auspicious"},{"name":"Kāla","start":"21:19","end":"22:55","startHours":21.314994783636322,"endHours":22.91972746350113,"quality":"inauspicious"},{"name":"Śubha","start":"22:55","end":"00:31","startHours":22.91972746350113,"endHours":24.524460143365935,"quality":"auspicious"},{"name":"Roga","start":"00:31","end":"02:08","startHours":24.524460143365935,"endHours":26.129192823230742,"quality":"inauspicious"},{"name":"Udveg","start":"02:08","end":"03:44","startHours":26.129192823230742,"endHours":27.73392550309555,"quality":"inauspicious"},{"name":"Chala","start":"03:44","end":"05:20","startHours":27.73392550309555,"endHours":29.33865818296035,"quality":"neutral"},{"name":"Labha","start":"05:20","end":"06:57","startHours":29.33865818296035,"endHours":30.943390862825158,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:57","end":"07:57","startHours":6.943390862825158,"endHours":7.943390862825158,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:57","end":"08:57","startHours":7.943390862825158,"endHours":8.943390862825158,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:57","end":"09:57","startHours":8.943390862825158,"endHours":9.943390862825158,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:57","end":"10:57","startHours":9.943390862825158,"endHours":10.943390862825158,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:57","end":"11:57","startHours":10.943390862825158,"endHours":11.943390862825158,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:57","end":"12:57","startHours":11.943390862825158,"endHours":12.943390862825158,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:57","end":"13:57","startHours":12.943390862825158,"endHours":13.943390862825158,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:57","end":"14:57","startHours":13.943390862825158,"endHours":14.943390862825158,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:57","end":"15:57","startHours":14.943390862825158,"endHours":15.943390862825158,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:57","end":"16:57","startHours":15.943390862825158,"endHours":16.943390862825158,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:57","end":"17:57","startHours":16.943390862825158,"endHours":17.943390862825158,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:57","end":"18:57","startHours":17.943390862825158,"endHours":18.943390862825158,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:57","end":"19:57","startHours":18.943390862825158,"endHours":19.943390862825158,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:57","end":"20:57","startHours":19.943390862825158,"endHours":20.943390862825158,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:57","end":"21:57","startHours":20.943390862825158,"endHours":21.943390862825158,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:57","end":"22:57","startHours":21.943390862825158,"endHours":22.943390862825158,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:57","end":"23:57","startHours":22.943390862825158,"endHours":23.943390862825158,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:57","end":"00:57","startHours":23.943390862825158,"endHours":24.943390862825158,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:57","end":"01:57","startHours":24.943390862825158,"endHours":25.943390862825158,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:57","end":"02:57","startHours":25.943390862825158,"endHours":26.943390862825158,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:57","end":"03:57","startHours":26.943390862825158,"endHours":27.943390862825158,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:57","end":"04:57","startHours":27.943390862825158,"endHours":28.943390862825158,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:57","end":"05:57","startHours":28.943390862825158,"endHours":29.943390862825158,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:57","end":"06:57","startHours":29.943390862825158,"endHours":30.943390862825158,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","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":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.33121393661672,"eotMinutes":-14.538008601956186,"ayanamsa":24.0364}},"calendars":{"vikram_samvat":2070,"vikram_samvatsara":"Parābhava","saka_samvat":1935,"saka_samvatsara":"Vijaya","bengali_samvat":1420,"malayalam_era":1189,"nanakshahi_year":544,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Māgha Śukla Ṣaṣṭhī · Vikram 2070 Parābhava · Śaka 1935 Vijaya"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 16, 2013 CE · Ṛṣikeśa · Vidhyamitra","description":"February 16, 2013 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 06:57, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2013-02-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2013-02-16","sa":"https://sa.vidhyamitra.com/city/rishikesh/2013-02-16","hi":"https://hi.vidhyamitra.com/city/rishikesh/2013-02-16","x-default":"https://vidhyamitra.com/city/rishikesh/2013-02-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-08T20:29:25.526Z","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":"2026-08-08T20:29:25.527Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-08T20:29:25.527Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}