{"id":"vidhyamitra:city-day:shimla:2011-05-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/shimla/2011-05-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-05-01","date_display":"May 1, 2011 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":2011,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455682.770833,"kali_year":5113,"ahargana":1867217.2708,"sun":{"sidereal_longitude":16.3643,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":350.5041,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":334.1397,"elapsed_within_tithi_degrees":10.1397},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.5041,"elapsed_within_degrees":3.8374},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.8684},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":2011,"month":5,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455682.770833,"ahargana":1867217.2708,"kali_year":5113,"ayanamsa_lahiri":24.0113,"grahas":{"sun":{"sidereal_longitude":16.327517,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":351.568517,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":4.3532},"mars":{"sidereal_longitude":358.036217,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":350.991617,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":358.283617,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":347.814217,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":167.66281700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":245.8433,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":65.8433,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2011,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455682.770833,"kali_year":5113,"ahargana":1867217.2708,"sun":{"sidereal_longitude":16.3643,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":350.5041,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":334.1397,"elapsed_within_tithi_degrees":10.1397},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.5041,"elapsed_within_degrees":3.8374},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.8684},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.353,"elongation":25.86},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.353,"opposition_distance":154.14}},"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":"05:37","sunsetLocal":"18:59","solarNoonLocal":"12:18","dayLengthHours":13.369641125317978,"dayLengthDisplay":"13 Hours 22 Mins 11 Secs","nightLengthDisplay":"10 Hours 37 Mins 49 Secs","moonriseLocal":"04:22","moonsetLocal":"16:57","rahuKala":{"name":"Rāhu Kāla","start":"17:19","end":"18:59","startHours":17.32008863317813,"endHours":18.991293773842877,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:18","end":"13:59","startHours":12.306473211183889,"endHours":13.977678351848635,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:39","end":"17:19","startHours":15.648883492513383,"endHours":17.32008863317813,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:44","end":"09:11","startHours":8.74123557776576,"endHours":9.186890281943025,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:11","end":"06:32","startHours":6.178721028746481,"endHours":6.535244792088294,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:45","startHours":11.860818507006622,"endHours":12.752127915361152,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:50","end":"04:44","startHours":3.839033831815835,"endHours":4.730343240170367,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:30","end":"05:37","startHours":4.507515888081734,"endHours":5.621652648524899,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:26","startHours":14.534746732070218,"endHours":15.42605614042475,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:47","end":"19:11","startHours":18.791293773842877,"endHours":19.191293773842876,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:59","end":"19:33","startHours":18.991293773842877,"endHours":19.54836215406446,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:44","end":"20:29","startHours":18.741293773842877,"endHours":20.491293773842877,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:45","startHours":23.86081850700662,"endHours":24.75212791536115,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:37","end":"07:18","startHours":5.621652648524899,"endHours":7.292857789189646,"quality":"inauspicious"},{"name":"Chala","start":"07:18","end":"08:58","startHours":7.292857789189646,"endHours":8.964062929854393,"quality":"neutral"},{"name":"Labha","start":"08:58","end":"10:38","startHours":8.964062929854393,"endHours":10.63526807051914,"quality":"auspicious"},{"name":"Amṛta","start":"10:38","end":"12:18","startHours":10.63526807051914,"endHours":12.306473211183889,"quality":"auspicious"},{"name":"Kāla","start":"12:18","end":"13:59","startHours":12.306473211183889,"endHours":13.977678351848635,"quality":"inauspicious"},{"name":"Śubha","start":"13:59","end":"15:39","startHours":13.977678351848635,"endHours":15.648883492513383,"quality":"auspicious"},{"name":"Roga","start":"15:39","end":"17:19","startHours":15.648883492513383,"endHours":17.32008863317813,"quality":"inauspicious"},{"name":"Udveg","start":"17:19","end":"18:59","startHours":17.32008863317813,"endHours":18.991293773842877,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:59","end":"20:19","startHours":18.991293773842877,"endHours":20.32008863317813,"quality":"auspicious"},{"name":"Roga","start":"20:19","end":"21:39","startHours":20.32008863317813,"endHours":21.64888349251338,"quality":"inauspicious"},{"name":"Udveg","start":"21:39","end":"22:59","startHours":21.64888349251338,"endHours":22.977678351848635,"quality":"inauspicious"},{"name":"Chala","start":"22:59","end":"00:18","startHours":22.977678351848635,"endHours":24.30647321118389,"quality":"neutral"},{"name":"Labha","start":"00:18","end":"01:38","startHours":24.30647321118389,"endHours":25.63526807051914,"quality":"auspicious"},{"name":"Amṛta","start":"01:38","end":"02:58","startHours":25.63526807051914,"endHours":26.964062929854393,"quality":"auspicious"},{"name":"Kāla","start":"02:58","end":"04:18","startHours":26.964062929854393,"endHours":28.292857789189647,"quality":"inauspicious"},{"name":"Śubha","start":"04:18","end":"05:37","startHours":28.292857789189647,"endHours":29.6216526485249,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:37","end":"06:37","startHours":5.621652648524899,"endHours":6.621652648524899,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:37","end":"07:37","startHours":6.621652648524899,"endHours":7.621652648524899,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:37","end":"08:37","startHours":7.621652648524899,"endHours":8.621652648524899,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:37","end":"09:37","startHours":8.621652648524899,"endHours":9.621652648524899,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:37","end":"10:37","startHours":9.621652648524899,"endHours":10.621652648524899,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:37","end":"11:37","startHours":10.621652648524899,"endHours":11.621652648524899,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:37","end":"12:37","startHours":11.621652648524899,"endHours":12.621652648524899,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:37","end":"13:37","startHours":12.621652648524899,"endHours":13.621652648524899,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:37","end":"14:37","startHours":13.621652648524899,"endHours":14.621652648524899,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:37","end":"15:37","startHours":14.621652648524899,"endHours":15.621652648524899,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:37","end":"16:37","startHours":15.621652648524899,"endHours":16.6216526485249,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:37","end":"17:37","startHours":16.6216526485249,"endHours":17.6216526485249,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:37","end":"18:37","startHours":17.6216526485249,"endHours":18.6216526485249,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:37","end":"19:37","startHours":18.6216526485249,"endHours":19.6216526485249,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:37","end":"20:37","startHours":19.6216526485249,"endHours":20.6216526485249,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:37","end":"21:37","startHours":20.6216526485249,"endHours":21.6216526485249,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:37","end":"22:37","startHours":21.6216526485249,"endHours":22.6216526485249,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:37","end":"23:37","startHours":22.6216526485249,"endHours":23.6216526485249,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:37","end":"00:37","startHours":23.6216526485249,"endHours":24.6216526485249,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:37","end":"01:37","startHours":24.6216526485249,"endHours":25.6216526485249,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:37","end":"02:37","startHours":25.6216526485249,"endHours":26.6216526485249,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:37","end":"03:37","startHours":26.6216526485249,"endHours":27.6216526485249,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:37","end":"04:37","startHours":27.6216526485249,"endHours":28.6216526485249,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:37","end":"05:37","startHours":28.6216526485249,"endHours":29.6216526485249,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.919088770040807,"eotMinutes":2.918007328966811,"ayanamsa":24.0113}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"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 2068 Krodhi · Śaka 1933 Khara"},"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":"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":"shimla"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 1, 2011 CE · Shimla, Himachal Pradesh · Vidhyamitra","description":"May 1, 2011 CE for Shimla, Himachal Pradesh: Kṛṣṇa Trayodaśī, sūryodaya 05:37, sūryāsta 18:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/shimla/2011-05-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/shimla/2011-05-01","sa":"https://sa.vidhyamitra.com/city/shimla/2011-05-01","hi":"https://hi.vidhyamitra.com/city/shimla/2011-05-01","x-default":"https://vidhyamitra.com/city/shimla/2011-05-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:45:32.481Z","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":"2026-05-31T06:45:32.481Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:45:32.481Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}