{"id":"vidhyamitra:city-day:shimla:2015-04-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/shimla/2015-04-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2015-04-16","date_display":"April 16, 2015 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":2015,"month":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457128.770833,"kali_year":5116,"ahargana":1868663.2708,"sun":{"sidereal_longitude":1.7719,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":325.8512,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":324.0793,"elapsed_within_tithi_degrees":0.0793},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":325.8512,"elapsed_within_degrees":5.8512},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.6231},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2015,"month":4,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457128.770833,"ahargana":1868663.2708,"kali_year":5116,"ayanamsa_lahiri":24.0666,"grahas":{"sun":{"sidereal_longitude":1.679569000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":323.54536899999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":1.7839},"mars":{"sidereal_longitude":16.965569000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":7.909768999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":107.83076900000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":40.88406900000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":219.79186900000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":169.2273,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":349.2273,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":"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":2015,"month":4,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457128.770833,"kali_year":5116,"ahargana":1868663.2708,"sun":{"sidereal_longitude":1.7719,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":325.8512,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":324.0793,"elapsed_within_tithi_degrees":0.0793},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":325.8512,"elapsed_within_degrees":5.8512},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.6231},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.784,"elongation":35.921},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.784,"opposition_distance":144.079}},"eclipse_window_40days":[]},"city":{"slug":"shimla","name":"Shimla, Himachal Pradesh","lat":31.1048,"lon":77.1734,"tz_offset_hours":5.5,"state":"Himachal Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"shimla","name":"Shimla, Himachal Pradesh","lat":31.1048,"lon":77.1734,"tz_offset_hours":5.5,"state":"Himachal Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:53","sunsetLocal":"18:50","solarNoonLocal":"12:21","dayLengthHours":12.942580433635573,"dayLengthDisplay":"12 Hours 56 Mins 33 Secs","nightLengthDisplay":"11 Hours 03 Mins 27 Secs","moonriseLocal":"03:58","moonsetLocal":"15:40","rahuKala":{"name":"Rāhu Kāla","start":"13:58","end":"15:35","startHours":13.972674368927805,"endHours":15.590496923132253,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:53","end":"07:30","startHours":5.883561597905572,"endHours":7.501384152110019,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:07","end":"10:44","startHours":9.119206706314465,"endHours":10.737029260518913,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:20","startHours":8.903497032420539,"endHours":9.334916380208393,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:46","startHours":6.422835782640388,"endHours":6.76797126087067,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:47","startHours":11.923432466935507,"endHours":12.78627116251121,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"05:01","startHours":4.157884206754162,"endHours":5.020722902329868,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:53","startHours":4.805013228435941,"endHours":5.883561597905572,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:22","startHours":14.511948553662622,"endHours":15.374787249238327,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:38","end":"19:02","startHours":18.626142031541146,"endHours":19.026142031541145,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:50","end":"19:22","startHours":18.826142031541146,"endHours":19.36541621627596,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:35","end":"20:20","startHours":18.576142031541146,"endHours":20.326142031541146,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:47","startHours":23.92343246693551,"endHours":24.786271162511213,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:53","end":"07:30","startHours":5.883561597905572,"endHours":7.501384152110019,"quality":"auspicious"},{"name":"Roga","start":"07:30","end":"09:07","startHours":7.501384152110019,"endHours":9.119206706314465,"quality":"inauspicious"},{"name":"Udveg","start":"09:07","end":"10:44","startHours":9.119206706314465,"endHours":10.737029260518913,"quality":"inauspicious"},{"name":"Chala","start":"10:44","end":"12:21","startHours":10.737029260518913,"endHours":12.354851814723359,"quality":"neutral"},{"name":"Labha","start":"12:21","end":"13:58","startHours":12.354851814723359,"endHours":13.972674368927805,"quality":"auspicious"},{"name":"Amṛta","start":"13:58","end":"15:35","startHours":13.972674368927805,"endHours":15.590496923132253,"quality":"auspicious"},{"name":"Kāla","start":"15:35","end":"17:12","startHours":15.590496923132253,"endHours":17.2083194773367,"quality":"inauspicious"},{"name":"Śubha","start":"17:12","end":"18:50","startHours":17.2083194773367,"endHours":18.826142031541146,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:50","end":"20:12","startHours":18.826142031541146,"endHours":20.208319477336698,"quality":"auspicious"},{"name":"Kāla","start":"20:12","end":"21:35","startHours":20.208319477336698,"endHours":21.590496923132253,"quality":"inauspicious"},{"name":"Śubha","start":"21:35","end":"22:58","startHours":21.590496923132253,"endHours":22.972674368927805,"quality":"auspicious"},{"name":"Roga","start":"22:58","end":"00:21","startHours":22.972674368927805,"endHours":24.35485181472336,"quality":"inauspicious"},{"name":"Udveg","start":"00:21","end":"01:44","startHours":24.35485181472336,"endHours":25.737029260518913,"quality":"inauspicious"},{"name":"Chala","start":"01:44","end":"03:07","startHours":25.737029260518913,"endHours":27.119206706314465,"quality":"neutral"},{"name":"Labha","start":"03:07","end":"04:30","startHours":27.119206706314465,"endHours":28.50138415211002,"quality":"auspicious"},{"name":"Amṛta","start":"04:30","end":"05:53","startHours":28.50138415211002,"endHours":29.883561597905572,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:53","end":"06:53","startHours":5.883561597905572,"endHours":6.883561597905572,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:53","end":"07:53","startHours":6.883561597905572,"endHours":7.883561597905572,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:53","end":"08:53","startHours":7.883561597905572,"endHours":8.883561597905572,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:53","end":"09:53","startHours":8.883561597905572,"endHours":9.883561597905572,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:53","end":"10:53","startHours":9.883561597905572,"endHours":10.883561597905572,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:53","end":"11:53","startHours":10.883561597905572,"endHours":11.883561597905572,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:53","end":"12:53","startHours":11.883561597905572,"endHours":12.883561597905572,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:53","end":"13:53","startHours":12.883561597905572,"endHours":13.883561597905572,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:53","end":"14:53","startHours":13.883561597905572,"endHours":14.883561597905572,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:53","end":"15:53","startHours":14.883561597905572,"endHours":15.883561597905572,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:53","end":"16:53","startHours":15.883561597905572,"endHours":16.883561597905572,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:53","end":"17:53","startHours":16.883561597905572,"endHours":17.883561597905572,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:53","end":"18:53","startHours":17.883561597905572,"endHours":18.883561597905572,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:53","end":"19:53","startHours":18.883561597905572,"endHours":19.883561597905572,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:53","end":"20:53","startHours":19.883561597905572,"endHours":20.883561597905572,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:53","end":"21:53","startHours":20.883561597905572,"endHours":21.883561597905572,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:53","end":"22:53","startHours":21.883561597905572,"endHours":22.883561597905572,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:53","end":"23:53","startHours":22.883561597905572,"endHours":23.883561597905572,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:53","end":"00:53","startHours":23.883561597905572,"endHours":24.883561597905572,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:53","end":"01:53","startHours":24.883561597905572,"endHours":25.883561597905572,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:53","end":"02:53","startHours":25.883561597905572,"endHours":26.883561597905572,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:53","end":"03:53","startHours":26.883561597905572,"endHours":27.883561597905572,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:53","end":"04:53","startHours":27.883561597905572,"endHours":28.883561597905572,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:53","end":"05:53","startHours":28.883561597905572,"endHours":29.883561597905572,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":9.948855395131188,"eotMinutes":0.015291116598477705,"ayanamsa":24.0666}},"calendars":{"vikram_samvat":2072,"vikram_samvatsara":"Kīlaka","saka_samvat":1937,"saka_samvatsara":"Manmatha","bengali_samvat":1422,"malayalam_era":1191,"nanakshahi_year":546,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Trayodaśī · Vikram 2072 Kīlaka · Śaka 1937 Manmatha"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Dedicated festival walk for Pradoṣa Vrata is not live yet; Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"shimla"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 16, 2015 CE · Shimla, Himachal Pradesh · Vidhyamitra","description":"April 16, 2015 CE for Shimla, Himachal Pradesh: Kṛṣṇa Trayodaśī, sūryodaya 05:53, sūryāsta 18:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/shimla/2015-04-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/shimla/2015-04-16","sa":"https://sa.vidhyamitra.com/city/shimla/2015-04-16","hi":"https://hi.vidhyamitra.com/city/shimla/2015-04-16","x-default":"https://vidhyamitra.com/city/shimla/2015-04-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T10:47:54.284Z","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":"2026-08-10T10:47:54.284Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T10:47:54.284Z","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"}}}